Home / 1,176,518.74-1,623,595.88-667,221.12

Finding the Fourth Proportional to 1,176,518.74, 1,623,595.88 and 667,221.12

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Solution

The fourth proportional to 1,176,518.74, 1,623,595.88 and 667,221.12 is: 920,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,518.74 : 1,623,595.88 = 667,221.12 : x
  2. Step 2: Convert to fraction form
    1,176,518.74/1,623,595.88 = 667,221.12/x
  3. Step 3: Cross multiply
    1,176,518.74x = 1,623,595.88 × 667,221.12
  4. Step 4: Simplify right side
    1,176,518.74x = 1,083,297,461,480.99
  5. Step 5: Solve for x
    x = 1,083,297,461,480.99/1,176,518.74
  6. Step 6: Final answer
    x = 920,765.16

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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.