Home / 596,330.78-820,858.89-519,718.17

Finding the Fourth Proportional to 596,330.78, 820,858.89 and 519,718.17

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Solution

The fourth proportional to 596,330.78, 820,858.89 and 519,718.17 is: 715,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,330.78 : 820,858.89 = 519,718.17 : x
  2. Step 2: Convert to fraction form
    596,330.78/820,858.89 = 519,718.17/x
  3. Step 3: Cross multiply
    596,330.78x = 820,858.89 × 519,718.17
  4. Step 4: Simplify right side
    596,330.78x = 426,615,285,166.20
  5. Step 5: Solve for x
    x = 426,615,285,166.20/596,330.78
  6. Step 6: Final answer
    x = 715,400.42

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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.