Home / 692,633.53-1,038,950.30-187,155.71

Finding the Fourth Proportional to 692,633.53, 1,038,950.30 and 187,155.71

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Solution

The fourth proportional to 692,633.53, 1,038,950.30 and 187,155.71 is: 280,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,633.53 : 1,038,950.30 = 187,155.71 : x
  2. Step 2: Convert to fraction form
    692,633.53/1,038,950.30 = 187,155.71/x
  3. Step 3: Cross multiply
    692,633.53x = 1,038,950.30 × 187,155.71
  4. Step 4: Simplify right side
    692,633.53x = 194,445,485,011.76
  5. Step 5: Solve for x
    x = 194,445,485,011.76/692,633.53
  6. Step 6: Final answer
    x = 280,733.57

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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.