Home / 879,643.05-1,319,464.58-771,167.85

Finding the Fourth Proportional to 879,643.05, 1,319,464.58 and 771,167.85

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Solution

The fourth proportional to 879,643.05, 1,319,464.58 and 771,167.85 is: 1,156,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,643.05 : 1,319,464.58 = 771,167.85 : x
  2. Step 2: Convert to fraction form
    879,643.05/1,319,464.58 = 771,167.85/x
  3. Step 3: Cross multiply
    879,643.05x = 1,319,464.58 × 771,167.85
  4. Step 4: Simplify right side
    879,643.05x = 1,017,528,659,453.91
  5. Step 5: Solve for x
    x = 1,017,528,659,453.91/879,643.05
  6. Step 6: Final answer
    x = 1,156,751.78

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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.