Home / 873,676.04-1,205,711.72-491,727.56

Finding the Fourth Proportional to 873,676.04, 1,205,711.72 and 491,727.56

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Solution

The fourth proportional to 873,676.04, 1,205,711.72 and 491,727.56 is: 678,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,676.04 : 1,205,711.72 = 491,727.56 : x
  2. Step 2: Convert to fraction form
    873,676.04/1,205,711.72 = 491,727.56/x
  3. Step 3: Cross multiply
    873,676.04x = 1,205,711.72 × 491,727.56
  4. Step 4: Simplify right side
    873,676.04x = 592,881,682,139.00
  5. Step 5: Solve for x
    x = 592,881,682,139.00/873,676.04
  6. Step 6: Final answer
    x = 678,605.86

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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.