Home / 1,291,753.93-1,935,859.42-817,592.89

Finding the Fourth Proportional to 1,291,753.93, 1,935,859.42 and 817,592.89

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Solution

The fourth proportional to 1,291,753.93, 1,935,859.42 and 817,592.89 is: 1,225,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,753.93 : 1,935,859.42 = 817,592.89 : x
  2. Step 2: Convert to fraction form
    1,291,753.93/1,935,859.42 = 817,592.89/x
  3. Step 3: Cross multiply
    1,291,753.93x = 1,935,859.42 × 817,592.89
  4. Step 4: Simplify right side
    1,291,753.93x = 1,582,744,897,831.52
  5. Step 5: Solve for x
    x = 1,582,744,897,831.52/1,291,753.93
  6. Step 6: Final answer
    x = 1,225,268.11

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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.