Home / 596,331.78-820,860.27-519,719.17

Finding the Fourth Proportional to 596,331.78, 820,860.27 and 519,719.17

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Solution

The fourth proportional to 596,331.78, 820,860.27 and 519,719.17 is: 715,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,331.78 : 820,860.27 = 519,719.17 : x
  2. Step 2: Convert to fraction form
    596,331.78/820,860.27 = 519,719.17/x
  3. Step 3: Cross multiply
    596,331.78x = 820,860.27 × 519,719.17
  4. Step 4: Simplify right side
    596,331.78x = 426,616,818,210.38
  5. Step 5: Solve for x
    x = 426,616,818,210.38/596,331.78
  6. Step 6: Final answer
    x = 715,401.78

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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.