Home / 623,822.40-935,733.60-557,337.60

Finding the Fourth Proportional to 623,822.40, 935,733.60 and 557,337.60

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Solution

The fourth proportional to 623,822.40, 935,733.60 and 557,337.60 is: 836,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,822.40 : 935,733.60 = 557,337.60 : x
  2. Step 2: Convert to fraction form
    623,822.40/935,733.60 = 557,337.60/x
  3. Step 3: Cross multiply
    623,822.40x = 935,733.60 × 557,337.60
  4. Step 4: Simplify right side
    623,822.40x = 521,519,518,863.36
  5. Step 5: Solve for x
    x = 521,519,518,863.36/623,822.40
  6. Step 6: Final answer
    x = 836,006.40

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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.