Home / 807,496.83-1,114,370.88-463,395.71

Finding the Fourth Proportional to 807,496.83, 1,114,370.88 and 463,395.71

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Solution

The fourth proportional to 807,496.83, 1,114,370.88 and 463,395.71 is: 639,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,496.83 : 1,114,370.88 = 463,395.71 : x
  2. Step 2: Convert to fraction form
    807,496.83/1,114,370.88 = 463,395.71/x
  3. Step 3: Cross multiply
    807,496.83x = 1,114,370.88 × 463,395.71
  4. Step 4: Simplify right side
    807,496.83x = 516,394,685,140.93
  5. Step 5: Solve for x
    x = 516,394,685,140.93/807,496.83
  6. Step 6: Final answer
    x = 639,500.57

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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.