Home / 543,436.91-749,966.36-301,719.50

Finding the Fourth Proportional to 543,436.91, 749,966.36 and 301,719.50

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Solution

The fourth proportional to 543,436.91, 749,966.36 and 301,719.50 is: 416,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,436.91 : 749,966.36 = 301,719.50 : x
  2. Step 2: Convert to fraction form
    543,436.91/749,966.36 = 301,719.50/x
  3. Step 3: Cross multiply
    543,436.91x = 749,966.36 × 301,719.50
  4. Step 4: Simplify right side
    543,436.91x = 226,279,472,709.97
  5. Step 5: Solve for x
    x = 226,279,472,709.97/543,436.91
  6. Step 6: Final answer
    x = 416,385.91

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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.