Home / 1,542,009.90-2,128,196.24-888,510.76

Finding the Fourth Proportional to 1,542,009.90, 2,128,196.24 and 888,510.76

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Solution

The fourth proportional to 1,542,009.90, 2,128,196.24 and 888,510.76 is: 1,226,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,009.90 : 2,128,196.24 = 888,510.76 : x
  2. Step 2: Convert to fraction form
    1,542,009.90/2,128,196.24 = 888,510.76/x
  3. Step 3: Cross multiply
    1,542,009.90x = 2,128,196.24 × 888,510.76
  4. Step 4: Simplify right side
    1,542,009.90x = 1,890,925,253,311.05
  5. Step 5: Solve for x
    x = 1,890,925,253,311.05/1,542,009.90
  6. Step 6: Final answer
    x = 1,226,273.10

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Double scale
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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.