Home / 709,544.06-1,063,391.96-288,327.50

Finding the Fourth Proportional to 709,544.06, 1,063,391.96 and 288,327.50

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Solution

The fourth proportional to 709,544.06, 1,063,391.96 and 288,327.50 is: 432,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,544.06 : 1,063,391.96 = 288,327.50 : x
  2. Step 2: Convert to fraction form
    709,544.06/1,063,391.96 = 288,327.50/x
  3. Step 3: Cross multiply
    709,544.06x = 1,063,391.96 × 288,327.50
  4. Step 4: Simplify right side
    709,544.06x = 306,605,145,346.90
  5. Step 5: Solve for x
    x = 306,605,145,346.90/709,544.06
  6. Step 6: Final answer
    x = 432,115.72

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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.