Home / 623,936.90-935,905.35-557,452.10

Finding the Fourth Proportional to 623,936.90, 935,905.35 and 557,452.10

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Solution

The fourth proportional to 623,936.90, 935,905.35 and 557,452.10 is: 836,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,936.90 : 935,905.35 = 557,452.10 : x
  2. Step 2: Convert to fraction form
    623,936.90/935,905.35 = 557,452.10/x
  3. Step 3: Cross multiply
    623,936.90x = 935,905.35 × 557,452.10
  4. Step 4: Simplify right side
    623,936.90x = 521,722,402,758.74
  5. Step 5: Solve for x
    x = 521,722,402,758.74/623,936.90
  6. Step 6: Final answer
    x = 836,178.15

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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.