Home / 823,211.12-1,234,509.77-283,316.55

Finding the Fourth Proportional to 823,211.12, 1,234,509.77 and 283,316.55

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Solution

The fourth proportional to 823,211.12, 1,234,509.77 and 283,316.55 is: 424,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,211.12 : 1,234,509.77 = 283,316.55 : x
  2. Step 2: Convert to fraction form
    823,211.12/1,234,509.77 = 283,316.55/x
  3. Step 3: Cross multiply
    823,211.12x = 1,234,509.77 × 283,316.55
  4. Step 4: Simplify right side
    823,211.12x = 349,757,047,561.11
  5. Step 5: Solve for x
    x = 349,757,047,561.11/823,211.12
  6. Step 6: Final answer
    x = 424,869.20

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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.