Home / 824,471.58-1,138,327.12-514,847.20

Finding the Fourth Proportional to 824,471.58, 1,138,327.12 and 514,847.20

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Solution

The fourth proportional to 824,471.58, 1,138,327.12 and 514,847.20 is: 710,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,471.58 : 1,138,327.12 = 514,847.20 : x
  2. Step 2: Convert to fraction form
    824,471.58/1,138,327.12 = 514,847.20/x
  3. Step 3: Cross multiply
    824,471.58x = 1,138,327.12 × 514,847.20
  4. Step 4: Simplify right side
    824,471.58x = 586,064,530,416.06
  5. Step 5: Solve for x
    x = 586,064,530,416.06/824,471.58
  6. Step 6: Final answer
    x = 710,836.55

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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.