Home / 905,808.60-1,250,001.86-497,901.71

Finding the Fourth Proportional to 905,808.60, 1,250,001.86 and 497,901.71

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Solution

The fourth proportional to 905,808.60, 1,250,001.86 and 497,901.71 is: 687,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,808.60 : 1,250,001.86 = 497,901.71 : x
  2. Step 2: Convert to fraction form
    905,808.60/1,250,001.86 = 497,901.71/x
  3. Step 3: Cross multiply
    905,808.60x = 1,250,001.86 × 497,901.71
  4. Step 4: Simplify right side
    905,808.60x = 622,378,064,232.68
  5. Step 5: Solve for x
    x = 622,378,064,232.68/905,808.60
  6. Step 6: Final answer
    x = 687,096.66

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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.