Home / 715,937.90-1,075,875.17-669,125.17

Finding the Fourth Proportional to 715,937.90, 1,075,875.17 and 669,125.17

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Solution

The fourth proportional to 715,937.90, 1,075,875.17 and 669,125.17 is: 1,005,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,937.90 : 1,075,875.17 = 669,125.17 : x
  2. Step 2: Convert to fraction form
    715,937.90/1,075,875.17 = 669,125.17/x
  3. Step 3: Cross multiply
    715,937.90x = 1,075,875.17 × 669,125.17
  4. Step 4: Simplify right side
    715,937.90x = 719,895,155,008.15
  5. Step 5: Solve for x
    x = 719,895,155,008.15/715,937.90
  6. Step 6: Final answer
    x = 1,005,527.37

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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.