Home / 817,837.52-1,227,862.53-564,488.12

Finding the Fourth Proportional to 817,837.52, 1,227,862.53 and 564,488.12

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Solution

The fourth proportional to 817,837.52, 1,227,862.53 and 564,488.12 is: 847,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,837.52 : 1,227,862.53 = 564,488.12 : x
  2. Step 2: Convert to fraction form
    817,837.52/1,227,862.53 = 564,488.12/x
  3. Step 3: Cross multiply
    817,837.52x = 1,227,862.53 × 564,488.12
  4. Step 4: Simplify right side
    817,837.52x = 693,113,811,178.14
  5. Step 5: Solve for x
    x = 693,113,811,178.14/817,837.52
  6. Step 6: Final answer
    x = 847,495.74

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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.