Home / 1,207,869.76-1,666,892.16-656,622.54

Finding the Fourth Proportional to 1,207,869.76, 1,666,892.16 and 656,622.54

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Solution

The fourth proportional to 1,207,869.76, 1,666,892.16 and 656,622.54 is: 906,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,869.76 : 1,666,892.16 = 656,622.54 : x
  2. Step 2: Convert to fraction form
    1,207,869.76/1,666,892.16 = 656,622.54/x
  3. Step 3: Cross multiply
    1,207,869.76x = 1,666,892.16 × 656,622.54
  4. Step 4: Simplify right side
    1,207,869.76x = 1,094,518,964,005.29
  5. Step 5: Solve for x
    x = 1,094,518,964,005.29/1,207,869.76
  6. Step 6: Final answer
    x = 906,156.44

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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.