Home / 716,092.16-988,232.54-393,827.20

Finding the Fourth Proportional to 716,092.16, 988,232.54 and 393,827.20

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Solution

The fourth proportional to 716,092.16, 988,232.54 and 393,827.20 is: 543,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,092.16 : 988,232.54 = 393,827.20 : x
  2. Step 2: Convert to fraction form
    716,092.16/988,232.54 = 393,827.20/x
  3. Step 3: Cross multiply
    716,092.16x = 988,232.54 × 393,827.20
  4. Step 4: Simplify right side
    716,092.16x = 389,192,854,177.09
  5. Step 5: Solve for x
    x = 389,192,854,177.09/716,092.16
  6. Step 6: Final answer
    x = 543,495.48

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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.