Home / 1,132,591.20-1,698,886.38-412,987.20

Finding the Fourth Proportional to 1,132,591.20, 1,698,886.38 and 412,987.20

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Solution

The fourth proportional to 1,132,591.20, 1,698,886.38 and 412,987.20 is: 619,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,591.20 : 1,698,886.38 = 412,987.20 : x
  2. Step 2: Convert to fraction form
    1,132,591.20/1,698,886.38 = 412,987.20/x
  3. Step 3: Cross multiply
    1,132,591.20x = 1,698,886.38 × 412,987.20
  4. Step 4: Simplify right side
    1,132,591.20x = 701,618,329,194.34
  5. Step 5: Solve for x
    x = 701,618,329,194.34/1,132,591.20
  6. Step 6: Final answer
    x = 619,480.65

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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.