Home / 1,233,239.28-1,701,919.80-716,990.64

Finding the Fourth Proportional to 1,233,239.28, 1,701,919.80 and 716,990.64

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Solution

The fourth proportional to 1,233,239.28, 1,701,919.80 and 716,990.64 is: 989,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,239.28 : 1,701,919.80 = 716,990.64 : x
  2. Step 2: Convert to fraction form
    1,233,239.28/1,701,919.80 = 716,990.64/x
  3. Step 3: Cross multiply
    1,233,239.28x = 1,701,919.80 × 716,990.64
  4. Step 4: Simplify right side
    1,233,239.28x = 1,220,260,566,630.67
  5. Step 5: Solve for x
    x = 1,220,260,566,630.67/1,233,239.28
  6. Step 6: Final answer
    x = 989,475.92

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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.