Home / 623,613.64-860,565.90-394,294.36

Finding the Fourth Proportional to 623,613.64, 860,565.90 and 394,294.36

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Solution

The fourth proportional to 623,613.64, 860,565.90 and 394,294.36 is: 544,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,613.64 : 860,565.90 = 394,294.36 : x
  2. Step 2: Convert to fraction form
    623,613.64/860,565.90 = 394,294.36/x
  3. Step 3: Cross multiply
    623,613.64x = 860,565.90 × 394,294.36
  4. Step 4: Simplify right side
    623,613.64x = 339,316,280,778.32
  5. Step 5: Solve for x
    x = 339,316,280,778.32/623,613.64
  6. Step 6: Final answer
    x = 544,112.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.