Home / 739,743.63-1,020,836.11-413,061.68

Finding the Fourth Proportional to 739,743.63, 1,020,836.11 and 413,061.68

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Solution

The fourth proportional to 739,743.63, 1,020,836.11 and 413,061.68 is: 570,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,743.63 : 1,020,836.11 = 413,061.68 : x
  2. Step 2: Convert to fraction form
    739,743.63/1,020,836.11 = 413,061.68/x
  3. Step 3: Cross multiply
    739,743.63x = 1,020,836.11 × 413,061.68
  4. Step 4: Simplify right side
    739,743.63x = 421,668,278,601.27
  5. Step 5: Solve for x
    x = 421,668,278,601.27/739,743.63
  6. Step 6: Final answer
    x = 570,019.48

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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.