Home / 515,270.16-772,531.58-346,371.57

Finding the Fourth Proportional to 515,270.16, 772,531.58 and 346,371.57

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Solution

The fourth proportional to 515,270.16, 772,531.58 and 346,371.57 is: 519,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,270.16 : 772,531.58 = 346,371.57 : x
  2. Step 2: Convert to fraction form
    515,270.16/772,531.58 = 346,371.57/x
  3. Step 3: Cross multiply
    515,270.16x = 772,531.58 × 346,371.57
  4. Step 4: Simplify right side
    515,270.16x = 267,582,974,507.32
  5. Step 5: Solve for x
    x = 267,582,974,507.32/515,270.16
  6. Step 6: Final answer
    x = 519,306.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.