Home / 910,012.80-1,365,019.20-732,865.80

Finding the Fourth Proportional to 910,012.80, 1,365,019.20 and 732,865.80

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Solution

The fourth proportional to 910,012.80, 1,365,019.20 and 732,865.80 is: 1,099,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,012.80 : 1,365,019.20 = 732,865.80 : x
  2. Step 2: Convert to fraction form
    910,012.80/1,365,019.20 = 732,865.80/x
  3. Step 3: Cross multiply
    910,012.80x = 1,365,019.20 × 732,865.80
  4. Step 4: Simplify right side
    910,012.80x = 1,000,375,888,023.36
  5. Step 5: Solve for x
    x = 1,000,375,888,023.36/910,012.80
  6. Step 6: Final answer
    x = 1,099,298.70

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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.