Home / 1,287,041.17-1,776,117.08-714,079.97

Finding the Fourth Proportional to 1,287,041.17, 1,776,117.08 and 714,079.97

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Solution

The fourth proportional to 1,287,041.17, 1,776,117.08 and 714,079.97 is: 985,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,041.17 : 1,776,117.08 = 714,079.97 : x
  2. Step 2: Convert to fraction form
    1,287,041.17/1,776,117.08 = 714,079.97/x
  3. Step 3: Cross multiply
    1,287,041.17x = 1,776,117.08 × 714,079.97
  4. Step 4: Simplify right side
    1,287,041.17x = 1,268,289,631,202.89
  5. Step 5: Solve for x
    x = 1,268,289,631,202.89/1,287,041.17
  6. Step 6: Final answer
    x = 985,430.51

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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.