Home / 801,851.86-1,106,555.47-479,561.91

Finding the Fourth Proportional to 801,851.86, 1,106,555.47 and 479,561.91

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Solution

The fourth proportional to 801,851.86, 1,106,555.47 and 479,561.91 is: 661,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,851.86 : 1,106,555.47 = 479,561.91 : x
  2. Step 2: Convert to fraction form
    801,851.86/1,106,555.47 = 479,561.91/x
  3. Step 3: Cross multiply
    801,851.86x = 1,106,555.47 × 479,561.91
  4. Step 4: Simplify right side
    801,851.86x = 530,661,854,714.15
  5. Step 5: Solve for x
    x = 530,661,854,714.15/801,851.86
  6. Step 6: Final answer
    x = 661,795.38

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Double scale
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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.