Home / 876,103.60-1,313,426.40-371,052.40

Finding the Fourth Proportional to 876,103.60, 1,313,426.40 and 371,052.40

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Solution

The fourth proportional to 876,103.60, 1,313,426.40 and 371,052.40 is: 556,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,103.60 : 1,313,426.40 = 371,052.40 : x
  2. Step 2: Convert to fraction form
    876,103.60/1,313,426.40 = 371,052.40/x
  3. Step 3: Cross multiply
    876,103.60x = 1,313,426.40 × 371,052.40
  4. Step 4: Simplify right side
    876,103.60x = 487,350,017,943.36
  5. Step 5: Solve for x
    x = 487,350,017,943.36/876,103.60
  6. Step 6: Final answer
    x = 556,269.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.