Home / 644,151.86-961,890.03-526,057.46

Finding the Fourth Proportional to 644,151.86, 961,890.03 and 526,057.46

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Solution

The fourth proportional to 644,151.86, 961,890.03 and 526,057.46 is: 785,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,151.86 : 961,890.03 = 526,057.46 : x
  2. Step 2: Convert to fraction form
    644,151.86/961,890.03 = 526,057.46/x
  3. Step 3: Cross multiply
    644,151.86x = 961,890.03 × 526,057.46
  4. Step 4: Simplify right side
    644,151.86x = 506,009,423,350.84
  5. Step 5: Solve for x
    x = 506,009,423,350.84/644,151.86
  6. Step 6: Final answer
    x = 785,543.68

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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.