Home / 746,235.90-1,029,833.12-424,000.89

Finding the Fourth Proportional to 746,235.90, 1,029,833.12 and 424,000.89

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Solution

The fourth proportional to 746,235.90, 1,029,833.12 and 424,000.89 is: 585,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,235.90 : 1,029,833.12 = 424,000.89 : x
  2. Step 2: Convert to fraction form
    746,235.90/1,029,833.12 = 424,000.89/x
  3. Step 3: Cross multiply
    746,235.90x = 1,029,833.12 × 424,000.89
  4. Step 4: Simplify right side
    746,235.90x = 436,650,160,491.48
  5. Step 5: Solve for x
    x = 436,650,160,491.48/746,235.90
  6. Step 6: Final answer
    x = 585,136.90

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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.