Home / 1,138,439.20-1,709,627.10-606,998.20

Finding the Fourth Proportional to 1,138,439.20, 1,709,627.10 and 606,998.20

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Solution

The fourth proportional to 1,138,439.20, 1,709,627.10 and 606,998.20 is: 911,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,439.20 : 1,709,627.10 = 606,998.20 : x
  2. Step 2: Convert to fraction form
    1,138,439.20/1,709,627.10 = 606,998.20/x
  3. Step 3: Cross multiply
    1,138,439.20x = 1,709,627.10 × 606,998.20
  4. Step 4: Simplify right side
    1,138,439.20x = 1,037,740,572,371.22
  5. Step 5: Solve for x
    x = 1,037,740,572,371.22/1,138,439.20
  6. Step 6: Final answer
    x = 911,546.77

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Double scale
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1.5x scale

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.