Home / 692,067.60-1,036,983.60-391,654.80

Finding the Fourth Proportional to 692,067.60, 1,036,983.60 and 391,654.80

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Solution

The fourth proportional to 692,067.60, 1,036,983.60 and 391,654.80 is: 586,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,067.60 : 1,036,983.60 = 391,654.80 : x
  2. Step 2: Convert to fraction form
    692,067.60/1,036,983.60 = 391,654.80/x
  3. Step 3: Cross multiply
    692,067.60x = 1,036,983.60 × 391,654.80
  4. Step 4: Simplify right side
    692,067.60x = 406,139,604,461.28
  5. Step 5: Solve for x
    x = 406,139,604,461.28/692,067.60
  6. Step 6: Final answer
    x = 586,849.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.