Home / 746,061.44-1,029,566.09-406,529.69

Finding the Fourth Proportional to 746,061.44, 1,029,566.09 and 406,529.69

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Solution

The fourth proportional to 746,061.44, 1,029,566.09 and 406,529.69 is: 561,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,061.44 : 1,029,566.09 = 406,529.69 : x
  2. Step 2: Convert to fraction form
    746,061.44/1,029,566.09 = 406,529.69/x
  3. Step 3: Cross multiply
    746,061.44x = 1,029,566.09 × 406,529.69
  4. Step 4: Simplify right side
    746,061.44x = 418,549,179,270.71
  5. Step 5: Solve for x
    x = 418,549,179,270.71/746,061.44
  6. Step 6: Final answer
    x = 561,011.68

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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.