Home / 566,200.54-781,333.32-308,078.55

Finding the Fourth Proportional to 566,200.54, 781,333.32 and 308,078.55

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Solution

The fourth proportional to 566,200.54, 781,333.32 and 308,078.55 is: 425,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,200.54 : 781,333.32 = 308,078.55 : x
  2. Step 2: Convert to fraction form
    566,200.54/781,333.32 = 308,078.55/x
  3. Step 3: Cross multiply
    566,200.54x = 781,333.32 × 308,078.55
  4. Step 4: Simplify right side
    566,200.54x = 240,712,036,292.29
  5. Step 5: Solve for x
    x = 240,712,036,292.29/566,200.54
  6. Step 6: Final answer
    x = 425,135.65

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1.5x scale

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.