Home / 1,025,390.81-1,537,086.51-409,711.30

Finding the Fourth Proportional to 1,025,390.81, 1,537,086.51 and 409,711.30

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Solution

The fourth proportional to 1,025,390.81, 1,537,086.51 and 409,711.30 is: 614,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,390.81 : 1,537,086.51 = 409,711.30 : x
  2. Step 2: Convert to fraction form
    1,025,390.81/1,537,086.51 = 409,711.30/x
  3. Step 3: Cross multiply
    1,025,390.81x = 1,537,086.51 × 409,711.30
  4. Step 4: Simplify right side
    1,025,390.81x = 629,761,708,381.85
  5. Step 5: Solve for x
    x = 629,761,708,381.85/1,025,390.81
  6. Step 6: Final answer
    x = 614,167.50

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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.