Home / 541,948.79-747,935.25-300,307.16

Finding the Fourth Proportional to 541,948.79, 747,935.25 and 300,307.16

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Solution

The fourth proportional to 541,948.79, 747,935.25 and 300,307.16 is: 414,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,948.79 : 747,935.25 = 300,307.16 : x
  2. Step 2: Convert to fraction form
    541,948.79/747,935.25 = 300,307.16/x
  3. Step 3: Cross multiply
    541,948.79x = 747,935.25 × 300,307.16
  4. Step 4: Simplify right side
    541,948.79x = 224,610,310,047.70
  5. Step 5: Solve for x
    x = 224,610,310,047.70/541,948.79
  6. Step 6: Final answer
    x = 414,449.33

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Double scale
Find fourth proportional to 541,949.79, 747,936.63 and 300,308.16
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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.