Home / 1,216,937.70-1,826,522.55-618,315.30

Finding the Fourth Proportional to 1,216,937.70, 1,826,522.55 and 618,315.30

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Solution

The fourth proportional to 1,216,937.70, 1,826,522.55 and 618,315.30 is: 928,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,937.70 : 1,826,522.55 = 618,315.30 : x
  2. Step 2: Convert to fraction form
    1,216,937.70/1,826,522.55 = 618,315.30/x
  3. Step 3: Cross multiply
    1,216,937.70x = 1,826,522.55 × 618,315.30
  4. Step 4: Simplify right side
    1,216,937.70x = 1,129,366,838,460.02
  5. Step 5: Solve for x
    x = 1,129,366,838,460.02/1,216,937.70
  6. Step 6: Final answer
    x = 928,039.98

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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.