Home / 908,698.05-1,253,946.96-500,777.12

Finding the Fourth Proportional to 908,698.05, 1,253,946.96 and 500,777.12

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Solution

The fourth proportional to 908,698.05, 1,253,946.96 and 500,777.12 is: 691,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,698.05 : 1,253,946.96 = 500,777.12 : x
  2. Step 2: Convert to fraction form
    908,698.05/1,253,946.96 = 500,777.12/x
  3. Step 3: Cross multiply
    908,698.05x = 1,253,946.96 × 500,777.12
  4. Step 4: Simplify right side
    908,698.05x = 627,947,947,261.56
  5. Step 5: Solve for x
    x = 627,947,947,261.56/908,698.05
  6. Step 6: Final answer
    x = 691,041.37

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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.