Home / 1,095,585.40-1,643,378.10-347,630.20

Finding the Fourth Proportional to 1,095,585.40, 1,643,378.10 and 347,630.20

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Solution

The fourth proportional to 1,095,585.40, 1,643,378.10 and 347,630.20 is: 521,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,585.40 : 1,643,378.10 = 347,630.20 : x
  2. Step 2: Convert to fraction form
    1,095,585.40/1,643,378.10 = 347,630.20/x
  3. Step 3: Cross multiply
    1,095,585.40x = 1,643,378.10 × 347,630.20
  4. Step 4: Simplify right side
    1,095,585.40x = 571,287,857,578.62
  5. Step 5: Solve for x
    x = 571,287,857,578.62/1,095,585.40
  6. Step 6: Final answer
    x = 521,445.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.