Home / 785,658.45-1,084,127.87-441,439.68

Finding the Fourth Proportional to 785,658.45, 1,084,127.87 and 441,439.68

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Solution

The fourth proportional to 785,658.45, 1,084,127.87 and 441,439.68 is: 609,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,658.45 : 1,084,127.87 = 441,439.68 : x
  2. Step 2: Convert to fraction form
    785,658.45/1,084,127.87 = 441,439.68/x
  3. Step 3: Cross multiply
    785,658.45x = 1,084,127.87 × 441,439.68
  4. Step 4: Simplify right side
    785,658.45x = 478,577,060,011.88
  5. Step 5: Solve for x
    x = 478,577,060,011.88/785,658.45
  6. Step 6: Final answer
    x = 609,141.36

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Double scale
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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.