Home / 520,674.95-781,137.03-183,791.22

Finding the Fourth Proportional to 520,674.95, 781,137.03 and 183,791.22

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Solution

The fourth proportional to 520,674.95, 781,137.03 and 183,791.22 is: 275,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,674.95 : 781,137.03 = 183,791.22 : x
  2. Step 2: Convert to fraction form
    520,674.95/781,137.03 = 183,791.22/x
  3. Step 3: Cross multiply
    520,674.95x = 781,137.03 × 183,791.22
  4. Step 4: Simplify right side
    520,674.95x = 143,566,127,730.88
  5. Step 5: Solve for x
    x = 143,566,127,730.88/520,674.95
  6. Step 6: Final answer
    x = 275,730.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.