Home / 408,275.16-563,434.14-227,038.50

Finding the Fourth Proportional to 408,275.16, 563,434.14 and 227,038.50

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Solution

The fourth proportional to 408,275.16, 563,434.14 and 227,038.50 is: 313,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,275.16 : 563,434.14 = 227,038.50 : x
  2. Step 2: Convert to fraction form
    408,275.16/563,434.14 = 227,038.50/x
  3. Step 3: Cross multiply
    408,275.16x = 563,434.14 × 227,038.50
  4. Step 4: Simplify right side
    408,275.16x = 127,921,241,994.39
  5. Step 5: Solve for x
    x = 127,921,241,994.39/408,275.16
  6. Step 6: Final answer
    x = 313,321.15

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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.