Home / 623,819.40-935,729.10-557,334.60

Finding the Fourth Proportional to 623,819.40, 935,729.10 and 557,334.60

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Solution

The fourth proportional to 623,819.40, 935,729.10 and 557,334.60 is: 836,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,819.40 : 935,729.10 = 557,334.60 : x
  2. Step 2: Convert to fraction form
    623,819.40/935,729.10 = 557,334.60/x
  3. Step 3: Cross multiply
    623,819.40x = 935,729.10 × 557,334.60
  4. Step 4: Simplify right side
    623,819.40x = 521,514,203,656.86
  5. Step 5: Solve for x
    x = 521,514,203,656.86/623,819.40
  6. Step 6: Final answer
    x = 836,001.90

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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.