Home / 1,239,847.70-1,711,046.66-688,565.93

Finding the Fourth Proportional to 1,239,847.70, 1,711,046.66 and 688,565.93

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Solution

The fourth proportional to 1,239,847.70, 1,711,046.66 and 688,565.93 is: 950,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,847.70 : 1,711,046.66 = 688,565.93 : x
  2. Step 2: Convert to fraction form
    1,239,847.70/1,711,046.66 = 688,565.93/x
  3. Step 3: Cross multiply
    1,239,847.70x = 1,711,046.66 × 688,565.93
  4. Step 4: Simplify right side
    1,239,847.70x = 1,178,168,422,718.23
  5. Step 5: Solve for x
    x = 1,178,168,422,718.23/1,239,847.70
  6. Step 6: Final answer
    x = 950,252.54

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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.