Home / 815,141.34-1,222,768.17-341,349.66

Finding the Fourth Proportional to 815,141.34, 1,222,768.17 and 341,349.66

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Solution

The fourth proportional to 815,141.34, 1,222,768.17 and 341,349.66 is: 512,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,141.34 : 1,222,768.17 = 341,349.66 : x
  2. Step 2: Convert to fraction form
    815,141.34/1,222,768.17 = 341,349.66/x
  3. Step 3: Cross multiply
    815,141.34x = 1,222,768.17 × 341,349.66
  4. Step 4: Simplify right side
    815,141.34x = 417,391,499,088.32
  5. Step 5: Solve for x
    x = 417,391,499,088.32/815,141.34
  6. Step 6: Final answer
    x = 512,048.01

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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.