Home / 816,253.41-1,224,407.75-217,215.15

Finding the Fourth Proportional to 816,253.41, 1,224,407.75 and 217,215.15

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Solution

The fourth proportional to 816,253.41, 1,224,407.75 and 217,215.15 is: 325,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,253.41 : 1,224,407.75 = 217,215.15 : x
  2. Step 2: Convert to fraction form
    816,253.41/1,224,407.75 = 217,215.15/x
  3. Step 3: Cross multiply
    816,253.41x = 1,224,407.75 × 217,215.15
  4. Step 4: Simplify right side
    816,253.41x = 265,959,913,077.41
  5. Step 5: Solve for x
    x = 265,959,913,077.41/816,253.41
  6. Step 6: Final answer
    x = 325,830.08

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1.5x scale

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.