Home / 928,442.80-1,281,478.95-566,066.45

Finding the Fourth Proportional to 928,442.80, 1,281,478.95 and 566,066.45

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Solution

The fourth proportional to 928,442.80, 1,281,478.95 and 566,066.45 is: 781,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,442.80 : 1,281,478.95 = 566,066.45 : x
  2. Step 2: Convert to fraction form
    928,442.80/1,281,478.95 = 566,066.45/x
  3. Step 3: Cross multiply
    928,442.80x = 1,281,478.95 × 566,066.45
  4. Step 4: Simplify right side
    928,442.80x = 725,402,243,179.93
  5. Step 5: Solve for x
    x = 725,402,243,179.93/928,442.80
  6. Step 6: Final answer
    x = 781,310.65

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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.