Home / 988,261.40-1,482,392.10-977,763.80

Finding the Fourth Proportional to 988,261.40, 1,482,392.10 and 977,763.80

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Solution

The fourth proportional to 988,261.40, 1,482,392.10 and 977,763.80 is: 1,466,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,261.40 : 1,482,392.10 = 977,763.80 : x
  2. Step 2: Convert to fraction form
    988,261.40/1,482,392.10 = 977,763.80/x
  3. Step 3: Cross multiply
    988,261.40x = 1,482,392.10 × 977,763.80
  4. Step 4: Simplify right side
    988,261.40x = 1,449,429,332,785.98
  5. Step 5: Solve for x
    x = 1,449,429,332,785.98/988,261.40
  6. Step 6: Final answer
    x = 1,466,645.70

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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.