Home / 534,427.38-737,521.72-304,980.10

Finding the Fourth Proportional to 534,427.38, 737,521.72 and 304,980.10

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Solution

The fourth proportional to 534,427.38, 737,521.72 and 304,980.10 is: 420,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,427.38 : 737,521.72 = 304,980.10 : x
  2. Step 2: Convert to fraction form
    534,427.38/737,521.72 = 304,980.10/x
  3. Step 3: Cross multiply
    534,427.38x = 737,521.72 × 304,980.10
  4. Step 4: Simplify right side
    534,427.38x = 224,929,447,917.77
  5. Step 5: Solve for x
    x = 224,929,447,917.77/534,427.38
  6. Step 6: Final answer
    x = 420,879.35

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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.