Home / 1,243,947.18-1,717,176.78-836,285.46

Finding the Fourth Proportional to 1,243,947.18, 1,717,176.78 and 836,285.46

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Solution

The fourth proportional to 1,243,947.18, 1,717,176.78 and 836,285.46 is: 1,154,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,947.18 : 1,717,176.78 = 836,285.46 : x
  2. Step 2: Convert to fraction form
    1,243,947.18/1,717,176.78 = 836,285.46/x
  3. Step 3: Cross multiply
    1,243,947.18x = 1,717,176.78 × 836,285.46
  4. Step 4: Simplify right side
    1,243,947.18x = 1,436,049,973,363.62
  5. Step 5: Solve for x
    x = 1,436,049,973,363.62/1,243,947.18
  6. Step 6: Final answer
    x = 1,154,430.02

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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.