Home / 820,676.61-1,132,529.40-476,597.16

Finding the Fourth Proportional to 820,676.61, 1,132,529.40 and 476,597.16

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Solution

The fourth proportional to 820,676.61, 1,132,529.40 and 476,597.16 is: 657,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,676.61 : 1,132,529.40 = 476,597.16 : x
  2. Step 2: Convert to fraction form
    820,676.61/1,132,529.40 = 476,597.16/x
  3. Step 3: Cross multiply
    820,676.61x = 1,132,529.40 × 476,597.16
  4. Step 4: Simplify right side
    820,676.61x = 539,760,295,656.50
  5. Step 5: Solve for x
    x = 539,760,295,656.50/820,676.61
  6. Step 6: Final answer
    x = 657,701.57

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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.