Home / 552,864.36-763,188.23-371,681.38

Finding the Fourth Proportional to 552,864.36, 763,188.23 and 371,681.38

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Solution

The fourth proportional to 552,864.36, 763,188.23 and 371,681.38 is: 513,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,864.36 : 763,188.23 = 371,681.38 : x
  2. Step 2: Convert to fraction form
    552,864.36/763,188.23 = 371,681.38/x
  3. Step 3: Cross multiply
    552,864.36x = 763,188.23 × 371,681.38
  4. Step 4: Simplify right side
    552,864.36x = 283,662,848,851.81
  5. Step 5: Solve for x
    x = 283,662,848,851.81/552,864.36
  6. Step 6: Final answer
    x = 513,078.56

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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.