Home / 1,055,296.70-1,584,111.45-656,387.90

Finding the Fourth Proportional to 1,055,296.70, 1,584,111.45 and 656,387.90

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Solution

The fourth proportional to 1,055,296.70, 1,584,111.45 and 656,387.90 is: 985,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,296.70 : 1,584,111.45 = 656,387.90 : x
  2. Step 2: Convert to fraction form
    1,055,296.70/1,584,111.45 = 656,387.90/x
  3. Step 3: Cross multiply
    1,055,296.70x = 1,584,111.45 × 656,387.90
  4. Step 4: Simplify right side
    1,055,296.70x = 1,039,791,588,031.46
  5. Step 5: Solve for x
    x = 1,039,791,588,031.46/1,055,296.70
  6. Step 6: Final answer
    x = 985,307.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.