Home / 816,573.40-1,224,780.90-247,959.42

Finding the Fourth Proportional to 816,573.40, 1,224,780.90 and 247,959.42

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Solution

The fourth proportional to 816,573.40, 1,224,780.90 and 247,959.42 is: 371,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,573.40 : 1,224,780.90 = 247,959.42 : x
  2. Step 2: Convert to fraction form
    816,573.40/1,224,780.90 = 247,959.42/x
  3. Step 3: Cross multiply
    816,573.40x = 1,224,780.90 × 247,959.42
  4. Step 4: Simplify right side
    816,573.40x = 303,695,961,591.08
  5. Step 5: Solve for x
    x = 303,695,961,591.08/816,573.40
  6. Step 6: Final answer
    x = 371,915.08

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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.