Home / 1,112,701.93-1,669,186.77-392,895.53

Finding the Fourth Proportional to 1,112,701.93, 1,669,186.77 and 392,895.53

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Solution

The fourth proportional to 1,112,701.93, 1,669,186.77 and 392,895.53 is: 589,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,701.93 : 1,669,186.77 = 392,895.53 : x
  2. Step 2: Convert to fraction form
    1,112,701.93/1,669,186.77 = 392,895.53/x
  3. Step 3: Cross multiply
    1,112,701.93x = 1,669,186.77 × 392,895.53
  4. Step 4: Simplify right side
    1,112,701.93x = 655,816,017,108.30
  5. Step 5: Solve for x
    x = 655,816,017,108.30/1,112,701.93
  6. Step 6: Final answer
    x = 589,390.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.