Home / 1,877,086.24-2,815,574.24-457,121.68

Finding the Fourth Proportional to 1,877,086.24, 2,815,574.24 and 457,121.68

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Solution

The fourth proportional to 1,877,086.24, 2,815,574.24 and 457,121.68 is: 685,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,086.24 : 2,815,574.24 = 457,121.68 : x
  2. Step 2: Convert to fraction form
    1,877,086.24/2,815,574.24 = 457,121.68/x
  3. Step 3: Cross multiply
    1,877,086.24x = 2,815,574.24 × 457,121.68
  4. Step 4: Simplify right side
    1,877,086.24x = 1,287,060,026,753.52
  5. Step 5: Solve for x
    x = 1,287,060,026,753.52/1,877,086.24
  6. Step 6: Final answer
    x = 685,669.10

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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.