Home / 969,976.08-1,338,532.29-540,233.01

Finding the Fourth Proportional to 969,976.08, 1,338,532.29 and 540,233.01

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Solution

The fourth proportional to 969,976.08, 1,338,532.29 and 540,233.01 is: 745,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,976.08 : 1,338,532.29 = 540,233.01 : x
  2. Step 2: Convert to fraction form
    969,976.08/1,338,532.29 = 540,233.01/x
  3. Step 3: Cross multiply
    969,976.08x = 1,338,532.29 × 540,233.01
  4. Step 4: Simplify right side
    969,976.08x = 723,119,328,008.89
  5. Step 5: Solve for x
    x = 723,119,328,008.89/969,976.08
  6. Step 6: Final answer
    x = 745,502.23

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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.