Home / 1,287,532.74-1,776,712.41-714,573.30

Finding the Fourth Proportional to 1,287,532.74, 1,776,712.41 and 714,573.30

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Solution

The fourth proportional to 1,287,532.74, 1,776,712.41 and 714,573.30 is: 986,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,532.74 : 1,776,712.41 = 714,573.30 : x
  2. Step 2: Convert to fraction form
    1,287,532.74/1,776,712.41 = 714,573.30/x
  3. Step 3: Cross multiply
    1,287,532.74x = 1,776,712.41 × 714,573.30
  4. Step 4: Simplify right side
    1,287,532.74x = 1,269,591,249,964.65
  5. Step 5: Solve for x
    x = 1,269,591,249,964.65/1,287,532.74
  6. Step 6: Final answer
    x = 986,065.22

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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.