Home / 1,023,357.29-1,411,666.13-717,888.47

Finding the Fourth Proportional to 1,023,357.29, 1,411,666.13 and 717,888.47

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Solution

The fourth proportional to 1,023,357.29, 1,411,666.13 and 717,888.47 is: 990,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,357.29 : 1,411,666.13 = 717,888.47 : x
  2. Step 2: Convert to fraction form
    1,023,357.29/1,411,666.13 = 717,888.47/x
  3. Step 3: Cross multiply
    1,023,357.29x = 1,411,666.13 × 717,888.47
  4. Step 4: Simplify right side
    1,023,357.29x = 1,013,418,834,627.08
  5. Step 5: Solve for x
    x = 1,013,418,834,627.08/1,023,357.29
  6. Step 6: Final answer
    x = 990,288.38

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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.