Home / 930,876.93-1,396,287.50-256,999.35

Finding the Fourth Proportional to 930,876.93, 1,396,287.50 and 256,999.35

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Solution

The fourth proportional to 930,876.93, 1,396,287.50 and 256,999.35 is: 385,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,876.93 : 1,396,287.50 = 256,999.35 : x
  2. Step 2: Convert to fraction form
    930,876.93/1,396,287.50 = 256,999.35/x
  3. Step 3: Cross multiply
    930,876.93x = 1,396,287.50 × 256,999.35
  4. Step 4: Simplify right side
    930,876.93x = 358,844,979,913.13
  5. Step 5: Solve for x
    x = 358,844,979,913.13/930,876.93
  6. Step 6: Final answer
    x = 385,491.32

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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.