Home / 1,028,337.51-1,418,870.88-661,006.56

Finding the Fourth Proportional to 1,028,337.51, 1,418,870.88 and 661,006.56

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Solution

The fourth proportional to 1,028,337.51, 1,418,870.88 and 661,006.56 is: 912,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,337.51 : 1,418,870.88 = 661,006.56 : x
  2. Step 2: Convert to fraction form
    1,028,337.51/1,418,870.88 = 661,006.56/x
  3. Step 3: Cross multiply
    1,028,337.51x = 1,418,870.88 × 661,006.56
  4. Step 4: Simplify right side
    1,028,337.51x = 937,882,959,472.97
  5. Step 5: Solve for x
    x = 937,882,959,472.97/1,028,337.51
  6. Step 6: Final answer
    x = 912,038.07

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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.