Home / 546,815.93-754,302.71-320,417.69

Finding the Fourth Proportional to 546,815.93, 754,302.71 and 320,417.69

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Solution

The fourth proportional to 546,815.93, 754,302.71 and 320,417.69 is: 441,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,815.93 : 754,302.71 = 320,417.69 : x
  2. Step 2: Convert to fraction form
    546,815.93/754,302.71 = 320,417.69/x
  3. Step 3: Cross multiply
    546,815.93x = 754,302.71 × 320,417.69
  4. Step 4: Simplify right side
    546,815.93x = 241,691,928,928.47
  5. Step 5: Solve for x
    x = 241,691,928,928.47/546,815.93
  6. Step 6: Final answer
    x = 441,998.70

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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.