Home / 859,189.31-1,185,549.45-496,543.14

Finding the Fourth Proportional to 859,189.31, 1,185,549.45 and 496,543.14

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Solution

The fourth proportional to 859,189.31, 1,185,549.45 and 496,543.14 is: 685,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,189.31 : 1,185,549.45 = 496,543.14 : x
  2. Step 2: Convert to fraction form
    859,189.31/1,185,549.45 = 496,543.14/x
  3. Step 3: Cross multiply
    859,189.31x = 1,185,549.45 × 496,543.14
  4. Step 4: Simplify right side
    859,189.31x = 588,676,446,528.27
  5. Step 5: Solve for x
    x = 588,676,446,528.27/859,189.31
  6. Step 6: Final answer
    x = 685,153.36

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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.