Home / 1,127,895.84-1,556,517.60-618,624

Finding the Fourth Proportional to 1,127,895.84, 1,556,517.60 and 618,624

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Solution

The fourth proportional to 1,127,895.84, 1,556,517.60 and 618,624 is: 853,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,895.84 : 1,556,517.60 = 618,624 : x
  2. Step 2: Convert to fraction form
    1,127,895.84/1,556,517.60 = 618,624/x
  3. Step 3: Cross multiply
    1,127,895.84x = 1,556,517.60 × 618,624
  4. Step 4: Simplify right side
    1,127,895.84x = 962,899,143,782.40
  5. Step 5: Solve for x
    x = 962,899,143,782.40/1,127,895.84
  6. Step 6: Final answer
    x = 853,712.82

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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.