Home / 746,379.40-1,029,964.70-424,044.76

Finding the Fourth Proportional to 746,379.40, 1,029,964.70 and 424,044.76

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Solution

The fourth proportional to 746,379.40, 1,029,964.70 and 424,044.76 is: 585,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,379.40 : 1,029,964.70 = 424,044.76 : x
  2. Step 2: Convert to fraction form
    746,379.40/1,029,964.70 = 424,044.76/x
  3. Step 3: Cross multiply
    746,379.40x = 1,029,964.70 × 424,044.76
  4. Step 4: Simplify right side
    746,379.40x = 436,751,134,019.97
  5. Step 5: Solve for x
    x = 436,751,134,019.97/746,379.40
  6. Step 6: Final answer
    x = 585,159.68

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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.