Home / 867,248.36-1,300,872.56-571,691.24

Finding the Fourth Proportional to 867,248.36, 1,300,872.56 and 571,691.24

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Solution

The fourth proportional to 867,248.36, 1,300,872.56 and 571,691.24 is: 857,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,248.36 : 1,300,872.56 = 571,691.24 : x
  2. Step 2: Convert to fraction form
    867,248.36/1,300,872.56 = 571,691.24/x
  3. Step 3: Cross multiply
    867,248.36x = 1,300,872.56 × 571,691.24
  4. Step 4: Simplify right side
    867,248.36x = 743,697,446,908.37
  5. Step 5: Solve for x
    x = 743,697,446,908.37/867,248.36
  6. Step 6: Final answer
    x = 857,536.87

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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.