Home / 745,236.35-1,028,560.37-439,294.62

Finding the Fourth Proportional to 745,236.35, 1,028,560.37 and 439,294.62

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Solution

The fourth proportional to 745,236.35, 1,028,560.37 and 439,294.62 is: 606,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,236.35 : 1,028,560.37 = 439,294.62 : x
  2. Step 2: Convert to fraction form
    745,236.35/1,028,560.37 = 439,294.62/x
  3. Step 3: Cross multiply
    745,236.35x = 1,028,560.37 × 439,294.62
  4. Step 4: Simplify right side
    745,236.35x = 451,841,034,689.74
  5. Step 5: Solve for x
    x = 451,841,034,689.74/745,236.35
  6. Step 6: Final answer
    x = 606,305.69

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Double scale
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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.