Home / 644,156.11-961,896.37-526,061.71

Finding the Fourth Proportional to 644,156.11, 961,896.37 and 526,061.71

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Solution

The fourth proportional to 644,156.11, 961,896.37 and 526,061.71 is: 785,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,156.11 : 961,896.37 = 526,061.71 : x
  2. Step 2: Convert to fraction form
    644,156.11/961,896.37 = 526,061.71/x
  3. Step 3: Cross multiply
    644,156.11x = 961,896.37 × 526,061.71
  4. Step 4: Simplify right side
    644,156.11x = 506,016,849,244.99
  5. Step 5: Solve for x
    x = 506,016,849,244.99/644,156.11
  6. Step 6: Final answer
    x = 785,550.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.