Home / 866,938.88-1,196,474.88-485,062.40

Finding the Fourth Proportional to 866,938.88, 1,196,474.88 and 485,062.40

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Solution

The fourth proportional to 866,938.88, 1,196,474.88 and 485,062.40 is: 669,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,938.88 : 1,196,474.88 = 485,062.40 : x
  2. Step 2: Convert to fraction form
    866,938.88/1,196,474.88 = 485,062.40/x
  3. Step 3: Cross multiply
    866,938.88x = 1,196,474.88 × 485,062.40
  4. Step 4: Simplify right side
    866,938.88x = 580,364,976,832.51
  5. Step 5: Solve for x
    x = 580,364,976,832.51/866,938.88
  6. Step 6: Final answer
    x = 669,441.63

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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.