Home / 408,004.29-563,038.45-226,712.92

Finding the Fourth Proportional to 408,004.29, 563,038.45 and 226,712.92

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Solution

The fourth proportional to 408,004.29, 563,038.45 and 226,712.92 is: 312,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,004.29 : 563,038.45 = 226,712.92 : x
  2. Step 2: Convert to fraction form
    408,004.29/563,038.45 = 226,712.92/x
  3. Step 3: Cross multiply
    408,004.29x = 563,038.45 × 226,712.92
  4. Step 4: Simplify right side
    408,004.29x = 127,648,091,071.77
  5. Step 5: Solve for x
    x = 127,648,091,071.77/408,004.29
  6. Step 6: Final answer
    x = 312,859.68

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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.