Home / 918,119.20-1,266,796.92-555,534.04

Finding the Fourth Proportional to 918,119.20, 1,266,796.92 and 555,534.04

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Solution

The fourth proportional to 918,119.20, 1,266,796.92 and 555,534.04 is: 766,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,119.20 : 1,266,796.92 = 555,534.04 : x
  2. Step 2: Convert to fraction form
    918,119.20/1,266,796.92 = 555,534.04/x
  3. Step 3: Cross multiply
    918,119.20x = 1,266,796.92 × 555,534.04
  4. Step 4: Simplify right side
    918,119.20x = 703,748,810,827.16
  5. Step 5: Solve for x
    x = 703,748,810,827.16/918,119.20
  6. Step 6: Final answer
    x = 766,511.38

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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.