Home / 1,287,534.99-1,776,715.52-714,575.55

Finding the Fourth Proportional to 1,287,534.99, 1,776,715.52 and 714,575.55

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Solution

The fourth proportional to 1,287,534.99, 1,776,715.52 and 714,575.55 is: 986,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,534.99 : 1,776,715.52 = 714,575.55 : x
  2. Step 2: Convert to fraction form
    1,287,534.99/1,776,715.52 = 714,575.55/x
  3. Step 3: Cross multiply
    1,287,534.99x = 1,776,715.52 × 714,575.55
  4. Step 4: Simplify right side
    1,287,534.99x = 1,269,597,466,324.66
  5. Step 5: Solve for x
    x = 1,269,597,466,324.66/1,287,534.99
  6. Step 6: Final answer
    x = 986,068.32

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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.