Home / 644,155.11-961,894.88-526,060.71

Finding the Fourth Proportional to 644,155.11, 961,894.88 and 526,060.71

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Solution

The fourth proportional to 644,155.11, 961,894.88 and 526,060.71 is: 785,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,155.11 : 961,894.88 = 526,060.71 : x
  2. Step 2: Convert to fraction form
    644,155.11/961,894.88 = 526,060.71/x
  3. Step 3: Cross multiply
    644,155.11x = 961,894.88 × 526,060.71
  4. Step 4: Simplify right side
    644,155.11x = 506,015,100,887.86
  5. Step 5: Solve for x
    x = 506,015,100,887.86/644,155.11
  6. Step 6: Final answer
    x = 785,548.53

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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.