Home / 1,261,821.60-1,741,340.16-688,885.92

Finding the Fourth Proportional to 1,261,821.60, 1,741,340.16 and 688,885.92

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Solution

The fourth proportional to 1,261,821.60, 1,741,340.16 and 688,885.92 is: 950,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,821.60 : 1,741,340.16 = 688,885.92 : x
  2. Step 2: Convert to fraction form
    1,261,821.60/1,741,340.16 = 688,885.92/x
  3. Step 3: Cross multiply
    1,261,821.60x = 1,741,340.16 × 688,885.92
  4. Step 4: Simplify right side
    1,261,821.60x = 1,199,584,718,154.55
  5. Step 5: Solve for x
    x = 1,199,584,718,154.55/1,261,821.60
  6. Step 6: Final answer
    x = 950,676.96

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1.5x scale

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.