Home / 783,561.60-1,175,342.40-503,625.60

Finding the Fourth Proportional to 783,561.60, 1,175,342.40 and 503,625.60

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Solution

The fourth proportional to 783,561.60, 1,175,342.40 and 503,625.60 is: 755,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,561.60 : 1,175,342.40 = 503,625.60 : x
  2. Step 2: Convert to fraction form
    783,561.60/1,175,342.40 = 503,625.60/x
  3. Step 3: Cross multiply
    783,561.60x = 1,175,342.40 × 503,625.60
  4. Step 4: Simplify right side
    783,561.60x = 591,932,521,405.44
  5. Step 5: Solve for x
    x = 591,932,521,405.44/783,561.60
  6. Step 6: Final answer
    x = 755,438.40

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Double scale
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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.