Home / 1,124,222.09-1,550,990.70-716,250.87

Finding the Fourth Proportional to 1,124,222.09, 1,550,990.70 and 716,250.87

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Solution

The fourth proportional to 1,124,222.09, 1,550,990.70 and 716,250.87 is: 988,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,222.09 : 1,550,990.70 = 716,250.87 : x
  2. Step 2: Convert to fraction form
    1,124,222.09/1,550,990.70 = 716,250.87/x
  3. Step 3: Cross multiply
    1,124,222.09x = 1,550,990.70 × 716,250.87
  4. Step 4: Simplify right side
    1,124,222.09x = 1,110,898,438,236.91
  5. Step 5: Solve for x
    x = 1,110,898,438,236.91/1,124,222.09
  6. Step 6: Final answer
    x = 988,148.56

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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.