Home / 567,087.93-782,581.38-312,436.89

Finding the Fourth Proportional to 567,087.93, 782,581.38 and 312,436.89

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Solution

The fourth proportional to 567,087.93, 782,581.38 and 312,436.89 is: 431,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,087.93 : 782,581.38 = 312,436.89 : x
  2. Step 2: Convert to fraction form
    567,087.93/782,581.38 = 312,436.89/x
  3. Step 3: Cross multiply
    567,087.93x = 782,581.38 × 312,436.89
  4. Step 4: Simplify right side
    567,087.93x = 244,507,292,539.11
  5. Step 5: Solve for x
    x = 244,507,292,539.11/567,087.93
  6. Step 6: Final answer
    x = 431,162.93

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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.