Home / 1,182,695.40-1,774,043.10-434,644.20

Finding the Fourth Proportional to 1,182,695.40, 1,774,043.10 and 434,644.20

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Solution

The fourth proportional to 1,182,695.40, 1,774,043.10 and 434,644.20 is: 651,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,695.40 : 1,774,043.10 = 434,644.20 : x
  2. Step 2: Convert to fraction form
    1,182,695.40/1,774,043.10 = 434,644.20/x
  3. Step 3: Cross multiply
    1,182,695.40x = 1,774,043.10 × 434,644.20
  4. Step 4: Simplify right side
    1,182,695.40x = 771,077,543,965.02
  5. Step 5: Solve for x
    x = 771,077,543,965.02/1,182,695.40
  6. Step 6: Final answer
    x = 651,966.30

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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.