Home / 612,567.32-918,851.04-191,876

Finding the Fourth Proportional to 612,567.32, 918,851.04 and 191,876

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Solution

The fourth proportional to 612,567.32, 918,851.04 and 191,876 is: 287,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,567.32 : 918,851.04 = 191,876 : x
  2. Step 2: Convert to fraction form
    612,567.32/918,851.04 = 191,876/x
  3. Step 3: Cross multiply
    612,567.32x = 918,851.04 × 191,876
  4. Step 4: Simplify right side
    612,567.32x = 176,305,462,151.04
  5. Step 5: Solve for x
    x = 176,305,462,151.04/612,567.32
  6. Step 6: Final answer
    x = 287,814.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.