Home / 1,207,842.24-1,666,843.52-664,000.96

Finding the Fourth Proportional to 1,207,842.24, 1,666,843.52 and 664,000.96

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Solution

The fourth proportional to 1,207,842.24, 1,666,843.52 and 664,000.96 is: 916,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,842.24 : 1,666,843.52 = 664,000.96 : x
  2. Step 2: Convert to fraction form
    1,207,842.24/1,666,843.52 = 664,000.96/x
  3. Step 3: Cross multiply
    1,207,842.24x = 1,666,843.52 × 664,000.96
  4. Step 4: Simplify right side
    1,207,842.24x = 1,106,785,697,449.78
  5. Step 5: Solve for x
    x = 1,106,785,697,449.78/1,207,842.24
  6. Step 6: Final answer
    x = 916,333.00

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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.