Home / 520,800.23-781,262.77-183,771.23

Finding the Fourth Proportional to 520,800.23, 781,262.77 and 183,771.23

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Solution

The fourth proportional to 520,800.23, 781,262.77 and 183,771.23 is: 275,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,800.23 : 781,262.77 = 183,771.23 : x
  2. Step 2: Convert to fraction form
    520,800.23/781,262.77 = 183,771.23/x
  3. Step 3: Cross multiply
    520,800.23x = 781,262.77 × 183,771.23
  4. Step 4: Simplify right side
    520,800.23x = 143,573,620,569.54
  5. Step 5: Solve for x
    x = 143,573,620,569.54/520,800.23
  6. Step 6: Final answer
    x = 275,678.87

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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.