Home / 1,510,053.70-2,084,172.51-865,909.30

Finding the Fourth Proportional to 1,510,053.70, 2,084,172.51 and 865,909.30

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Solution

The fourth proportional to 1,510,053.70, 2,084,172.51 and 865,909.30 is: 1,195,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,053.70 : 2,084,172.51 = 865,909.30 : x
  2. Step 2: Convert to fraction form
    1,510,053.70/2,084,172.51 = 865,909.30/x
  3. Step 3: Cross multiply
    1,510,053.70x = 2,084,172.51 × 865,909.30
  4. Step 4: Simplify right side
    1,510,053.70x = 1,804,704,359,213.34
  5. Step 5: Solve for x
    x = 1,804,704,359,213.34/1,510,053.70
  6. Step 6: Final answer
    x = 1,195,125.95

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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.