Home / 1,214,919.30-1,822,378.95-540,999.30

Finding the Fourth Proportional to 1,214,919.30, 1,822,378.95 and 540,999.30

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Solution

The fourth proportional to 1,214,919.30, 1,822,378.95 and 540,999.30 is: 811,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,919.30 : 1,822,378.95 = 540,999.30 : x
  2. Step 2: Convert to fraction form
    1,214,919.30/1,822,378.95 = 540,999.30/x
  3. Step 3: Cross multiply
    1,214,919.30x = 1,822,378.95 × 540,999.30
  4. Step 4: Simplify right side
    1,214,919.30x = 985,905,736,284.74
  5. Step 5: Solve for x
    x = 985,905,736,284.74/1,214,919.30
  6. Step 6: Final answer
    x = 811,498.95

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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.