Home / 631,566.66-871,562.19-341,178.32

Finding the Fourth Proportional to 631,566.66, 871,562.19 and 341,178.32

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Solution

The fourth proportional to 631,566.66, 871,562.19 and 341,178.32 is: 470,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,566.66 : 871,562.19 = 341,178.32 : x
  2. Step 2: Convert to fraction form
    631,566.66/871,562.19 = 341,178.32/x
  3. Step 3: Cross multiply
    631,566.66x = 871,562.19 × 341,178.32
  4. Step 4: Simplify right side
    631,566.66x = 297,358,123,759.72
  5. Step 5: Solve for x
    x = 297,358,123,759.72/631,566.66
  6. Step 6: Final answer
    x = 470,826.19

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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.