Home / 810,127.72-1,214,134.62-586,242.28

Finding the Fourth Proportional to 810,127.72, 1,214,134.62 and 586,242.28

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Solution

The fourth proportional to 810,127.72, 1,214,134.62 and 586,242.28 is: 878,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,127.72 : 1,214,134.62 = 586,242.28 : x
  2. Step 2: Convert to fraction form
    810,127.72/1,214,134.62 = 586,242.28/x
  3. Step 3: Cross multiply
    810,127.72x = 1,214,134.62 × 586,242.28
  4. Step 4: Simplify right side
    810,127.72x = 711,777,047,855.73
  5. Step 5: Solve for x
    x = 711,777,047,855.73/810,127.72
  6. Step 6: Final answer
    x = 878,598.56

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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.