Home / 783,117.60-1,174,676.40-659,114.70

Finding the Fourth Proportional to 783,117.60, 1,174,676.40 and 659,114.70

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Solution

The fourth proportional to 783,117.60, 1,174,676.40 and 659,114.70 is: 988,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,117.60 : 1,174,676.40 = 659,114.70 : x
  2. Step 2: Convert to fraction form
    783,117.60/1,174,676.40 = 659,114.70/x
  3. Step 3: Cross multiply
    783,117.60x = 1,174,676.40 × 659,114.70
  4. Step 4: Simplify right side
    783,117.60x = 774,246,482,983.08
  5. Step 5: Solve for x
    x = 774,246,482,983.08/783,117.60
  6. Step 6: Final answer
    x = 988,672.05

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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.