Home / 813,733.55-1,122,950.30-451,148.12

Finding the Fourth Proportional to 813,733.55, 1,122,950.30 and 451,148.12

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Solution

The fourth proportional to 813,733.55, 1,122,950.30 and 451,148.12 is: 622,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,733.55 : 1,122,950.30 = 451,148.12 : x
  2. Step 2: Convert to fraction form
    813,733.55/1,122,950.30 = 451,148.12/x
  3. Step 3: Cross multiply
    813,733.55x = 1,122,950.30 × 451,148.12
  4. Step 4: Simplify right side
    813,733.55x = 506,616,908,827.94
  5. Step 5: Solve for x
    x = 506,616,908,827.94/813,733.55
  6. Step 6: Final answer
    x = 622,583.29

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1.5x scale

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.