Home / 1,126,992.88-1,689,954.18-653,823.28

Finding the Fourth Proportional to 1,126,992.88, 1,689,954.18 and 653,823.28

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Solution

The fourth proportional to 1,126,992.88, 1,689,954.18 and 653,823.28 is: 980,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,992.88 : 1,689,954.18 = 653,823.28 : x
  2. Step 2: Convert to fraction form
    1,126,992.88/1,689,954.18 = 653,823.28/x
  3. Step 3: Cross multiply
    1,126,992.88x = 1,689,954.18 × 653,823.28
  4. Step 4: Simplify right side
    1,126,992.88x = 1,104,931,385,017.31
  5. Step 5: Solve for x
    x = 1,104,931,385,017.31/1,126,992.88
  6. Step 6: Final answer
    x = 980,424.46

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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.