Home / 739,742.92-1,020,835.15-413,060.97

Finding the Fourth Proportional to 739,742.92, 1,020,835.15 and 413,060.97

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Solution

The fourth proportional to 739,742.92, 1,020,835.15 and 413,060.97 is: 570,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,742.92 : 1,020,835.15 = 413,060.97 : x
  2. Step 2: Convert to fraction form
    739,742.92/1,020,835.15 = 413,060.97/x
  3. Step 3: Cross multiply
    739,742.92x = 1,020,835.15 × 413,060.97
  4. Step 4: Simplify right side
    739,742.92x = 421,667,157,269.10
  5. Step 5: Solve for x
    x = 421,667,157,269.10/739,742.92
  6. Step 6: Final answer
    x = 570,018.51

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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.