Home / 817,583.97-1,226,386.89-256,618.47

Finding the Fourth Proportional to 817,583.97, 1,226,386.89 and 256,618.47

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Solution

The fourth proportional to 817,583.97, 1,226,386.89 and 256,618.47 is: 384,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,583.97 : 1,226,386.89 = 256,618.47 : x
  2. Step 2: Convert to fraction form
    817,583.97/1,226,386.89 = 256,618.47/x
  3. Step 3: Cross multiply
    817,583.97x = 1,226,386.89 × 256,618.47
  4. Step 4: Simplify right side
    817,583.97x = 314,713,527,339.86
  5. Step 5: Solve for x
    x = 314,713,527,339.86/817,583.97
  6. Step 6: Final answer
    x = 384,931.14

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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.