Home / 709,139.94-1,058,178.96-632,713.08

Finding the Fourth Proportional to 709,139.94, 1,058,178.96 and 632,713.08

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Solution

The fourth proportional to 709,139.94, 1,058,178.96 and 632,713.08 is: 944,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,139.94 : 1,058,178.96 = 632,713.08 : x
  2. Step 2: Convert to fraction form
    709,139.94/1,058,178.96 = 632,713.08/x
  3. Step 3: Cross multiply
    709,139.94x = 1,058,178.96 × 632,713.08
  4. Step 4: Simplify right side
    709,139.94x = 669,523,668,972.80
  5. Step 5: Solve for x
    x = 669,523,668,972.80/709,139.94
  6. Step 6: Final answer
    x = 944,134.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.