Home / 691,225.60-1,036,682.80-247,993.60

Finding the Fourth Proportional to 691,225.60, 1,036,682.80 and 247,993.60

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Solution

The fourth proportional to 691,225.60, 1,036,682.80 and 247,993.60 is: 371,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,225.60 : 1,036,682.80 = 247,993.60 : x
  2. Step 2: Convert to fraction form
    691,225.60/1,036,682.80 = 247,993.60/x
  3. Step 3: Cross multiply
    691,225.60x = 1,036,682.80 × 247,993.60
  4. Step 4: Simplify right side
    691,225.60x = 257,090,699,630.08
  5. Step 5: Solve for x
    x = 257,090,699,630.08/691,225.60
  6. Step 6: Final answer
    x = 371,934.57

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Similar ratio
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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.