Home / 782,607.60-1,173,722.40-326,952.59

Finding the Fourth Proportional to 782,607.60, 1,173,722.40 and 326,952.59

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Solution

The fourth proportional to 782,607.60, 1,173,722.40 and 326,952.59 is: 490,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,607.60 : 1,173,722.40 = 326,952.59 : x
  2. Step 2: Convert to fraction form
    782,607.60/1,173,722.40 = 326,952.59/x
  3. Step 3: Cross multiply
    782,607.60x = 1,173,722.40 × 326,952.59
  4. Step 4: Simplify right side
    782,607.60x = 383,751,572,752.40
  5. Step 5: Solve for x
    x = 383,751,572,752.40/782,607.60
  6. Step 6: Final answer
    x = 490,349.92

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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.