Home / 1,528,157.49-2,108,867.45-955,532.85

Finding the Fourth Proportional to 1,528,157.49, 2,108,867.45 and 955,532.85

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Solution

The fourth proportional to 1,528,157.49, 2,108,867.45 and 955,532.85 is: 1,318,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,157.49 : 2,108,867.45 = 955,532.85 : x
  2. Step 2: Convert to fraction form
    1,528,157.49/2,108,867.45 = 955,532.85/x
  3. Step 3: Cross multiply
    1,528,157.49x = 2,108,867.45 × 955,532.85
  4. Step 4: Simplify right side
    1,528,157.49x = 2,015,092,119,993.07
  5. Step 5: Solve for x
    x = 2,015,092,119,993.07/1,528,157.49
  6. Step 6: Final answer
    x = 1,318,641.65

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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.