Home / 968,197.80-1,336,130.13-538,478.13

Finding the Fourth Proportional to 968,197.80, 1,336,130.13 and 538,478.13

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Solution

The fourth proportional to 968,197.80, 1,336,130.13 and 538,478.13 is: 743,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,197.80 : 1,336,130.13 = 538,478.13 : x
  2. Step 2: Convert to fraction form
    968,197.80/1,336,130.13 = 538,478.13/x
  3. Step 3: Cross multiply
    968,197.80x = 1,336,130.13 × 538,478.13
  4. Step 4: Simplify right side
    968,197.80x = 719,476,853,839.06
  5. Step 5: Solve for x
    x = 719,476,853,839.06/968,197.80
  6. Step 6: Final answer
    x = 743,109.37

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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.