Home / 653,262.57-979,955.82-253,934.19

Finding the Fourth Proportional to 653,262.57, 979,955.82 and 253,934.19

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Solution

The fourth proportional to 653,262.57, 979,955.82 and 253,934.19 is: 380,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,262.57 : 979,955.82 = 253,934.19 : x
  2. Step 2: Convert to fraction form
    653,262.57/979,955.82 = 253,934.19/x
  3. Step 3: Cross multiply
    653,262.57x = 979,955.82 × 253,934.19
  4. Step 4: Simplify right side
    653,262.57x = 248,844,287,387.49
  5. Step 5: Solve for x
    x = 248,844,287,387.49/653,262.57
  6. Step 6: Final answer
    x = 380,925.37

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Double scale
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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.