Home / 936,168.68-1,291,908.90-506,447.80

Finding the Fourth Proportional to 936,168.68, 1,291,908.90 and 506,447.80

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Solution

The fourth proportional to 936,168.68, 1,291,908.90 and 506,447.80 is: 698,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,168.68 : 1,291,908.90 = 506,447.80 : x
  2. Step 2: Convert to fraction form
    936,168.68/1,291,908.90 = 506,447.80/x
  3. Step 3: Cross multiply
    936,168.68x = 1,291,908.90 × 506,447.80
  4. Step 4: Simplify right side
    936,168.68x = 654,284,420,205.42
  5. Step 5: Solve for x
    x = 654,284,420,205.42/936,168.68
  6. Step 6: Final answer
    x = 698,895.87

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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.