Home / 1,111,221.29-1,533,453.99-652,328.55

Finding the Fourth Proportional to 1,111,221.29, 1,533,453.99 and 652,328.55

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Solution

The fourth proportional to 1,111,221.29, 1,533,453.99 and 652,328.55 is: 900,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,221.29 : 1,533,453.99 = 652,328.55 : x
  2. Step 2: Convert to fraction form
    1,111,221.29/1,533,453.99 = 652,328.55/x
  3. Step 3: Cross multiply
    1,111,221.29x = 1,533,453.99 × 652,328.55
  4. Step 4: Simplify right side
    1,111,221.29x = 1,000,315,815,342.18
  5. Step 5: Solve for x
    x = 1,000,315,815,342.18/1,111,221.29
  6. Step 6: Final answer
    x = 900,194.97

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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.