Home / 1,095,621.40-1,643,432.10-347,666.20

Finding the Fourth Proportional to 1,095,621.40, 1,643,432.10 and 347,666.20

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Solution

The fourth proportional to 1,095,621.40, 1,643,432.10 and 347,666.20 is: 521,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,621.40 : 1,643,432.10 = 347,666.20 : x
  2. Step 2: Convert to fraction form
    1,095,621.40/1,643,432.10 = 347,666.20/x
  3. Step 3: Cross multiply
    1,095,621.40x = 1,643,432.10 × 347,666.20
  4. Step 4: Simplify right side
    1,095,621.40x = 571,365,793,165.02
  5. Step 5: Solve for x
    x = 571,365,793,165.02/1,095,621.40
  6. Step 6: Final answer
    x = 521,499.30

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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.