Home / 881,895.26-1,216,980.20-519,334.40

Finding the Fourth Proportional to 881,895.26, 1,216,980.20 and 519,334.40

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Solution

The fourth proportional to 881,895.26, 1,216,980.20 and 519,334.40 is: 716,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,895.26 : 1,216,980.20 = 519,334.40 : x
  2. Step 2: Convert to fraction form
    881,895.26/1,216,980.20 = 519,334.40/x
  3. Step 3: Cross multiply
    881,895.26x = 1,216,980.20 × 519,334.40
  4. Step 4: Simplify right side
    881,895.26x = 632,019,681,978.88
  5. Step 5: Solve for x
    x = 632,019,681,978.88/881,895.26
  6. Step 6: Final answer
    x = 716,660.71

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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.