Home / 805,613.50-1,111,775.90-461,515.94

Finding the Fourth Proportional to 805,613.50, 1,111,775.90 and 461,515.94

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Solution

The fourth proportional to 805,613.50, 1,111,775.90 and 461,515.94 is: 636,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,613.50 : 1,111,775.90 = 461,515.94 : x
  2. Step 2: Convert to fraction form
    805,613.50/1,111,775.90 = 461,515.94/x
  3. Step 3: Cross multiply
    805,613.50x = 1,111,775.90 × 461,515.94
  4. Step 4: Simplify right side
    805,613.50x = 513,102,291,691.39
  5. Step 5: Solve for x
    x = 513,102,291,691.39/805,613.50
  6. Step 6: Final answer
    x = 636,908.76

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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.