Home / 730,792.94-1,008,491.31-408,502.85

Finding the Fourth Proportional to 730,792.94, 1,008,491.31 and 408,502.85

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Solution

The fourth proportional to 730,792.94, 1,008,491.31 and 408,502.85 is: 563,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,792.94 : 1,008,491.31 = 408,502.85 : x
  2. Step 2: Convert to fraction form
    730,792.94/1,008,491.31 = 408,502.85/x
  3. Step 3: Cross multiply
    730,792.94x = 1,008,491.31 × 408,502.85
  4. Step 4: Simplify right side
    730,792.94x = 411,971,569,292.78
  5. Step 5: Solve for x
    x = 411,971,569,292.78/730,792.94
  6. Step 6: Final answer
    x = 563,732.28

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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.