Home / 899,182.05-1,240,856.57-491,275.11

Finding the Fourth Proportional to 899,182.05, 1,240,856.57 and 491,275.11

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Solution

The fourth proportional to 899,182.05, 1,240,856.57 and 491,275.11 is: 677,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,182.05 : 1,240,856.57 = 491,275.11 : x
  2. Step 2: Convert to fraction form
    899,182.05/1,240,856.57 = 491,275.11/x
  3. Step 3: Cross multiply
    899,182.05x = 1,240,856.57 × 491,275.11
  4. Step 4: Simplify right side
    899,182.05x = 609,601,948,712.34
  5. Step 5: Solve for x
    x = 609,601,948,712.34/899,182.05
  6. Step 6: Final answer
    x = 677,951.64

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1.5x scale

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.