Home / 969,710.08-1,338,196.16-539,995.20

Finding the Fourth Proportional to 969,710.08, 1,338,196.16 and 539,995.20

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Solution

The fourth proportional to 969,710.08, 1,338,196.16 and 539,995.20 is: 745,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,710.08 : 1,338,196.16 = 539,995.20 : x
  2. Step 2: Convert to fraction form
    969,710.08/1,338,196.16 = 539,995.20/x
  3. Step 3: Cross multiply
    969,710.08x = 1,338,196.16 × 539,995.20
  4. Step 4: Simplify right side
    969,710.08x = 722,619,503,058.43
  5. Step 5: Solve for x
    x = 722,619,503,058.43/969,710.08
  6. Step 6: Final answer
    x = 745,191.29

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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.