Home / 371,521.28-512,856.30-250,826.04

Finding the Fourth Proportional to 371,521.28, 512,856.30 and 250,826.04

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Solution

The fourth proportional to 371,521.28, 512,856.30 and 250,826.04 is: 346,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,521.28 : 512,856.30 = 250,826.04 : x
  2. Step 2: Convert to fraction form
    371,521.28/512,856.30 = 250,826.04/x
  3. Step 3: Cross multiply
    371,521.28x = 512,856.30 × 250,826.04
  4. Step 4: Simplify right side
    371,521.28x = 128,637,714,818.05
  5. Step 5: Solve for x
    x = 128,637,714,818.05/371,521.28
  6. Step 6: Final answer
    x = 346,245.89

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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.