Home / 627,338.64-940,479.02-272,085.18

Finding the Fourth Proportional to 627,338.64, 940,479.02 and 272,085.18

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Solution

The fourth proportional to 627,338.64, 940,479.02 and 272,085.18 is: 407,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,338.64 : 940,479.02 = 272,085.18 : x
  2. Step 2: Convert to fraction form
    627,338.64/940,479.02 = 272,085.18/x
  3. Step 3: Cross multiply
    627,338.64x = 940,479.02 × 272,085.18
  4. Step 4: Simplify right side
    627,338.64x = 255,890,403,442.92
  5. Step 5: Solve for x
    x = 255,890,403,442.92/627,338.64
  6. Step 6: Final answer
    x = 407,898.36

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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.