Home / 1,243,947.07-1,717,176.61-836,285.34

Finding the Fourth Proportional to 1,243,947.07, 1,717,176.61 and 836,285.34

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Solution

The fourth proportional to 1,243,947.07, 1,717,176.61 and 836,285.34 is: 1,154,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,947.07 : 1,717,176.61 = 836,285.34 : x
  2. Step 2: Convert to fraction form
    1,243,947.07/1,717,176.61 = 836,285.34/x
  3. Step 3: Cross multiply
    1,243,947.07x = 1,717,176.61 × 836,285.34
  4. Step 4: Simplify right side
    1,243,947.07x = 1,436,049,632,618.67
  5. Step 5: Solve for x
    x = 1,436,049,632,618.67/1,243,947.07
  6. Step 6: Final answer
    x = 1,154,429.85

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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.