Home / 566,561.25-781,911-423,072.18

Finding the Fourth Proportional to 566,561.25, 781,911 and 423,072.18

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Solution

The fourth proportional to 566,561.25, 781,911 and 423,072.18 is: 583,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,561.25 : 781,911 = 423,072.18 : x
  2. Step 2: Convert to fraction form
    566,561.25/781,911 = 423,072.18/x
  3. Step 3: Cross multiply
    566,561.25x = 781,911 × 423,072.18
  4. Step 4: Simplify right side
    566,561.25x = 330,804,791,335.98
  5. Step 5: Solve for x
    x = 330,804,791,335.98/566,561.25
  6. Step 6: Final answer
    x = 583,881.78

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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.