Home / 562,021.02-774,856.80-409,084.14

Finding the Fourth Proportional to 562,021.02, 774,856.80 and 409,084.14

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Solution

The fourth proportional to 562,021.02, 774,856.80 and 409,084.14 is: 564,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,021.02 : 774,856.80 = 409,084.14 : x
  2. Step 2: Convert to fraction form
    562,021.02/774,856.80 = 409,084.14/x
  3. Step 3: Cross multiply
    562,021.02x = 774,856.80 × 409,084.14
  4. Step 4: Simplify right side
    562,021.02x = 316,981,627,651.15
  5. Step 5: Solve for x
    x = 316,981,627,651.15/562,021.02
  6. Step 6: Final answer
    x = 564,003.15

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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.