Home / 873,632.27-1,205,610.05-491,659.05

Finding the Fourth Proportional to 873,632.27, 1,205,610.05 and 491,659.05

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Solution

The fourth proportional to 873,632.27, 1,205,610.05 and 491,659.05 is: 678,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,632.27 : 1,205,610.05 = 491,659.05 : x
  2. Step 2: Convert to fraction form
    873,632.27/1,205,610.05 = 491,659.05/x
  3. Step 3: Cross multiply
    873,632.27x = 1,205,610.05 × 491,659.05
  4. Step 4: Simplify right side
    873,632.27x = 592,749,091,853.45
  5. Step 5: Solve for x
    x = 592,749,091,853.45/873,632.27
  6. Step 6: Final answer
    x = 678,488.10

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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.