Home / 656,111.60-984,167.40-497,481.20

Finding the Fourth Proportional to 656,111.60, 984,167.40 and 497,481.20

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Solution

The fourth proportional to 656,111.60, 984,167.40 and 497,481.20 is: 746,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,111.60 : 984,167.40 = 497,481.20 : x
  2. Step 2: Convert to fraction form
    656,111.60/984,167.40 = 497,481.20/x
  3. Step 3: Cross multiply
    656,111.60x = 984,167.40 × 497,481.20
  4. Step 4: Simplify right side
    656,111.60x = 489,604,779,152.88
  5. Step 5: Solve for x
    x = 489,604,779,152.88/656,111.60
  6. Step 6: Final answer
    x = 746,221.80

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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.