Home / 546,815.36-754,301.94-320,417.12

Finding the Fourth Proportional to 546,815.36, 754,301.94 and 320,417.12

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Solution

The fourth proportional to 546,815.36, 754,301.94 and 320,417.12 is: 441,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,815.36 : 754,301.94 = 320,417.12 : x
  2. Step 2: Convert to fraction form
    546,815.36/754,301.94 = 320,417.12/x
  3. Step 3: Cross multiply
    546,815.36x = 754,301.94 × 320,417.12
  4. Step 4: Simplify right side
    546,815.36x = 241,691,255,909.40
  5. Step 5: Solve for x
    x = 241,691,255,909.40/546,815.36
  6. Step 6: Final answer
    x = 441,997.93

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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.