Home / 881,025.39-1,215,774.36-499,055.31

Finding the Fourth Proportional to 881,025.39, 1,215,774.36 and 499,055.31

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Solution

The fourth proportional to 881,025.39, 1,215,774.36 and 499,055.31 is: 688,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,025.39 : 1,215,774.36 = 499,055.31 : x
  2. Step 2: Convert to fraction form
    881,025.39/1,215,774.36 = 499,055.31/x
  3. Step 3: Cross multiply
    881,025.39x = 1,215,774.36 × 499,055.31
  4. Step 4: Simplify right side
    881,025.39x = 606,738,650,119.85
  5. Step 5: Solve for x
    x = 606,738,650,119.85/881,025.39
  6. Step 6: Final answer
    x = 688,673.29

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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.