Home / 1,611,270-2,223,508.20-886,117.70

Finding the Fourth Proportional to 1,611,270, 2,223,508.20 and 886,117.70

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Solution

The fourth proportional to 1,611,270, 2,223,508.20 and 886,117.70 is: 1,222,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,270 : 2,223,508.20 = 886,117.70 : x
  2. Step 2: Convert to fraction form
    1,611,270/2,223,508.20 = 886,117.70/x
  3. Step 3: Cross multiply
    1,611,270x = 2,223,508.20 × 886,117.70
  4. Step 4: Simplify right side
    1,611,270x = 1,970,289,972,115.14
  5. Step 5: Solve for x
    x = 1,970,289,972,115.14/1,611,270
  6. Step 6: Final answer
    x = 1,222,818.01

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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.