Home / 971,723.36-1,340,920.50-563,793.60

Finding the Fourth Proportional to 971,723.36, 1,340,920.50 and 563,793.60

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Solution

The fourth proportional to 971,723.36, 1,340,920.50 and 563,793.60 is: 778,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,723.36 : 1,340,920.50 = 563,793.60 : x
  2. Step 2: Convert to fraction form
    971,723.36/1,340,920.50 = 563,793.60/x
  3. Step 3: Cross multiply
    971,723.36x = 1,340,920.50 × 563,793.60
  4. Step 4: Simplify right side
    971,723.36x = 756,002,396,008.80
  5. Step 5: Solve for x
    x = 756,002,396,008.80/971,723.36
  6. Step 6: Final answer
    x = 778,001.67

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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.