Home / 730,529.59-1,008,127.88-408,239.61

Finding the Fourth Proportional to 730,529.59, 1,008,127.88 and 408,239.61

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Solution

The fourth proportional to 730,529.59, 1,008,127.88 and 408,239.61 is: 563,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,529.59 : 1,008,127.88 = 408,239.61 : x
  2. Step 2: Convert to fraction form
    730,529.59/1,008,127.88 = 408,239.61/x
  3. Step 3: Cross multiply
    730,529.59x = 1,008,127.88 × 408,239.61
  4. Step 4: Simplify right side
    730,529.59x = 411,557,732,561.33
  5. Step 5: Solve for x
    x = 411,557,732,561.33/730,529.59
  6. Step 6: Final answer
    x = 563,369.01

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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.