Home / 976,070.40-1,464,105.60-657,205.80

Finding the Fourth Proportional to 976,070.40, 1,464,105.60 and 657,205.80

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Solution

The fourth proportional to 976,070.40, 1,464,105.60 and 657,205.80 is: 985,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,070.40 : 1,464,105.60 = 657,205.80 : x
  2. Step 2: Convert to fraction form
    976,070.40/1,464,105.60 = 657,205.80/x
  3. Step 3: Cross multiply
    976,070.40x = 1,464,105.60 × 657,205.80
  4. Step 4: Simplify right side
    976,070.40x = 962,218,692,132.48
  5. Step 5: Solve for x
    x = 962,218,692,132.48/976,070.40
  6. Step 6: Final answer
    x = 985,808.70

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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.