Home / 918,101.55-1,377,152.33-883,109.55

Finding the Fourth Proportional to 918,101.55, 1,377,152.33 and 883,109.55

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Solution

The fourth proportional to 918,101.55, 1,377,152.33 and 883,109.55 is: 1,324,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,101.55 : 1,377,152.33 = 883,109.55 : x
  2. Step 2: Convert to fraction form
    918,101.55/1,377,152.33 = 883,109.55/x
  3. Step 3: Cross multiply
    918,101.55x = 1,377,152.33 × 883,109.55
  4. Step 4: Simplify right side
    918,101.55x = 1,216,176,370,012.20
  5. Step 5: Solve for x
    x = 1,216,176,370,012.20/918,101.55
  6. Step 6: Final answer
    x = 1,324,664.33

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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.