Home / 736,145.45-1,015,874.61-413,856.98

Finding the Fourth Proportional to 736,145.45, 1,015,874.61 and 413,856.98

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Solution

The fourth proportional to 736,145.45, 1,015,874.61 and 413,856.98 is: 571,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,145.45 : 1,015,874.61 = 413,856.98 : x
  2. Step 2: Convert to fraction form
    736,145.45/1,015,874.61 = 413,856.98/x
  3. Step 3: Cross multiply
    736,145.45x = 1,015,874.61 × 413,856.98
  4. Step 4: Simplify right side
    736,145.45x = 420,426,798,153.28
  5. Step 5: Solve for x
    x = 420,426,798,153.28/736,145.45
  6. Step 6: Final answer
    x = 571,119.20

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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.