Home / 879,913.46-1,213,653.17-807,549.55

Finding the Fourth Proportional to 879,913.46, 1,213,653.17 and 807,549.55

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Solution

The fourth proportional to 879,913.46, 1,213,653.17 and 807,549.55 is: 1,113,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,913.46 : 1,213,653.17 = 807,549.55 : x
  2. Step 2: Convert to fraction form
    879,913.46/1,213,653.17 = 807,549.55/x
  3. Step 3: Cross multiply
    879,913.46x = 1,213,653.17 × 807,549.55
  4. Step 4: Simplify right side
    879,913.46x = 980,085,070,274.32
  5. Step 5: Solve for x
    x = 980,085,070,274.32/879,913.46
  6. Step 6: Final answer
    x = 1,113,842.57

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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.