Home / 873,544.52-1,205,487.60-491,577.68

Finding the Fourth Proportional to 873,544.52, 1,205,487.60 and 491,577.68

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Solution

The fourth proportional to 873,544.52, 1,205,487.60 and 491,577.68 is: 678,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,544.52 : 1,205,487.60 = 491,577.68 : x
  2. Step 2: Convert to fraction form
    873,544.52/1,205,487.60 = 491,577.68/x
  3. Step 3: Cross multiply
    873,544.52x = 1,205,487.60 × 491,577.68
  4. Step 4: Simplify right side
    873,544.52x = 592,590,797,676.77
  5. Step 5: Solve for x
    x = 592,590,797,676.77/873,544.52
  6. Step 6: Final answer
    x = 678,375.04

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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.