Home / 969,974.67-1,338,565.45-562,312.86

Finding the Fourth Proportional to 969,974.67, 1,338,565.45 and 562,312.86

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Solution

The fourth proportional to 969,974.67, 1,338,565.45 and 562,312.86 is: 775,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,974.67 : 1,338,565.45 = 562,312.86 : x
  2. Step 2: Convert to fraction form
    969,974.67/1,338,565.45 = 562,312.86/x
  3. Step 3: Cross multiply
    969,974.67x = 1,338,565.45 × 562,312.86
  4. Step 4: Simplify right side
    969,974.67x = 752,692,566,486.69
  5. Step 5: Solve for x
    x = 752,692,566,486.69/969,974.67
  6. Step 6: Final answer
    x = 775,991.98

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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.