Home / 1,287,175.59-1,776,302.32-714,307.95

Finding the Fourth Proportional to 1,287,175.59, 1,776,302.32 and 714,307.95

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Solution

The fourth proportional to 1,287,175.59, 1,776,302.32 and 714,307.95 is: 985,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,175.59 : 1,776,302.32 = 714,307.95 : x
  2. Step 2: Convert to fraction form
    1,287,175.59/1,776,302.32 = 714,307.95/x
  3. Step 3: Cross multiply
    1,287,175.59x = 1,776,302.32 × 714,307.95
  4. Step 4: Simplify right side
    1,287,175.59x = 1,268,826,876,333.46
  5. Step 5: Solve for x
    x = 1,268,826,876,333.46/1,287,175.59
  6. Step 6: Final answer
    x = 985,744.98

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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.