Home / 1,260,428.84-1,891,484.04-653,776.28

Finding the Fourth Proportional to 1,260,428.84, 1,891,484.04 and 653,776.28

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Solution

The fourth proportional to 1,260,428.84, 1,891,484.04 and 653,776.28 is: 981,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,428.84 : 1,891,484.04 = 653,776.28 : x
  2. Step 2: Convert to fraction form
    1,260,428.84/1,891,484.04 = 653,776.28/x
  3. Step 3: Cross multiply
    1,260,428.84x = 1,891,484.04 × 653,776.28
  4. Step 4: Simplify right side
    1,260,428.84x = 1,236,607,399,350.57
  5. Step 5: Solve for x
    x = 1,236,607,399,350.57/1,260,428.84
  6. Step 6: Final answer
    x = 981,100.53

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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.