Home / 1,437,563.16-1,983,720.78-825,520.68

Finding the Fourth Proportional to 1,437,563.16, 1,983,720.78 and 825,520.68

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Solution

The fourth proportional to 1,437,563.16, 1,983,720.78 and 825,520.68 is: 1,139,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,563.16 : 1,983,720.78 = 825,520.68 : x
  2. Step 2: Convert to fraction form
    1,437,563.16/1,983,720.78 = 825,520.68/x
  3. Step 3: Cross multiply
    1,437,563.16x = 1,983,720.78 × 825,520.68
  4. Step 4: Simplify right side
    1,437,563.16x = 1,637,602,527,235.73
  5. Step 5: Solve for x
    x = 1,637,602,527,235.73/1,437,563.16
  6. Step 6: Final answer
    x = 1,139,151.71

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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.