Home / 970,351.92-1,339,082.28-540,637.20

Finding the Fourth Proportional to 970,351.92, 1,339,082.28 and 540,637.20

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Solution

The fourth proportional to 970,351.92, 1,339,082.28 and 540,637.20 is: 746,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,351.92 : 1,339,082.28 = 540,637.20 : x
  2. Step 2: Convert to fraction form
    970,351.92/1,339,082.28 = 540,637.20/x
  3. Step 3: Cross multiply
    970,351.92x = 1,339,082.28 × 540,637.20
  4. Step 4: Simplify right side
    970,351.92x = 723,957,694,428.82
  5. Step 5: Solve for x
    x = 723,957,694,428.82/970,351.92
  6. Step 6: Final answer
    x = 746,077.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.