Home / 739,095.22-1,019,951.63-399,563.47

Finding the Fourth Proportional to 739,095.22, 1,019,951.63 and 399,563.47

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Solution

The fourth proportional to 739,095.22, 1,019,951.63 and 399,563.47 is: 551,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,095.22 : 1,019,951.63 = 399,563.47 : x
  2. Step 2: Convert to fraction form
    739,095.22/1,019,951.63 = 399,563.47/x
  3. Step 3: Cross multiply
    739,095.22x = 1,019,951.63 × 399,563.47
  4. Step 4: Simplify right side
    739,095.22x = 407,535,412,514.96
  5. Step 5: Solve for x
    x = 407,535,412,514.96/739,095.22
  6. Step 6: Final answer
    x = 551,397.71

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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.