Home / 970,888.50-1,340,400.85-863,160.98

Finding the Fourth Proportional to 970,888.50, 1,340,400.85 and 863,160.98

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Solution

The fourth proportional to 970,888.50, 1,340,400.85 and 863,160.98 is: 1,191,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,888.50 : 1,340,400.85 = 863,160.98 : x
  2. Step 2: Convert to fraction form
    970,888.50/1,340,400.85 = 863,160.98/x
  3. Step 3: Cross multiply
    970,888.50x = 1,340,400.85 × 863,160.98
  4. Step 4: Simplify right side
    970,888.50x = 1,156,981,711,278.83
  5. Step 5: Solve for x
    x = 1,156,981,711,278.83/970,888.50
  6. Step 6: Final answer
    x = 1,191,673.10

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1.5x scale

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.