Home / 928,668.78-1,281,019.95-583,959.15

Finding the Fourth Proportional to 928,668.78, 1,281,019.95 and 583,959.15

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Solution

The fourth proportional to 928,668.78, 1,281,019.95 and 583,959.15 is: 805,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,668.78 : 1,281,019.95 = 583,959.15 : x
  2. Step 2: Convert to fraction form
    928,668.78/1,281,019.95 = 583,959.15/x
  3. Step 3: Cross multiply
    928,668.78x = 1,281,019.95 × 583,959.15
  4. Step 4: Simplify right side
    928,668.78x = 748,063,321,135.04
  5. Step 5: Solve for x
    x = 748,063,321,135.04/928,668.78
  6. Step 6: Final answer
    x = 805,522.20

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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.