Home / 1,247,404.43-1,871,337.50-394,690.77

Finding the Fourth Proportional to 1,247,404.43, 1,871,337.50 and 394,690.77

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Solution

The fourth proportional to 1,247,404.43, 1,871,337.50 and 394,690.77 is: 592,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,404.43 : 1,871,337.50 = 394,690.77 : x
  2. Step 2: Convert to fraction form
    1,247,404.43/1,871,337.50 = 394,690.77/x
  3. Step 3: Cross multiply
    1,247,404.43x = 1,871,337.50 × 394,690.77
  4. Step 4: Simplify right side
    1,247,404.43x = 738,599,636,831.42
  5. Step 5: Solve for x
    x = 738,599,636,831.42/1,247,404.43
  6. Step 6: Final answer
    x = 592,109.20

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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.