Home / 484,815.40-727,223.10-297,932.20

Finding the Fourth Proportional to 484,815.40, 727,223.10 and 297,932.20

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Solution

The fourth proportional to 484,815.40, 727,223.10 and 297,932.20 is: 446,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,815.40 : 727,223.10 = 297,932.20 : x
  2. Step 2: Convert to fraction form
    484,815.40/727,223.10 = 297,932.20/x
  3. Step 3: Cross multiply
    484,815.40x = 727,223.10 × 297,932.20
  4. Step 4: Simplify right side
    484,815.40x = 216,663,178,073.82
  5. Step 5: Solve for x
    x = 216,663,178,073.82/484,815.40
  6. Step 6: Final answer
    x = 446,898.30

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1.5x scale

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.