Home / 623,577.40-935,366.10-542,476.60

Finding the Fourth Proportional to 623,577.40, 935,366.10 and 542,476.60

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Solution

The fourth proportional to 623,577.40, 935,366.10 and 542,476.60 is: 813,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,577.40 : 935,366.10 = 542,476.60 : x
  2. Step 2: Convert to fraction form
    623,577.40/935,366.10 = 542,476.60/x
  3. Step 3: Cross multiply
    623,577.40x = 935,366.10 × 542,476.60
  4. Step 4: Simplify right side
    623,577.40x = 507,414,221,683.26
  5. Step 5: Solve for x
    x = 507,414,221,683.26/623,577.40
  6. Step 6: Final answer
    x = 813,714.90

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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.