Home / 866,916.07-1,196,407.26-485,065.87

Finding the Fourth Proportional to 866,916.07, 1,196,407.26 and 485,065.87

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Solution

The fourth proportional to 866,916.07, 1,196,407.26 and 485,065.87 is: 669,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,916.07 : 1,196,407.26 = 485,065.87 : x
  2. Step 2: Convert to fraction form
    866,916.07/1,196,407.26 = 485,065.87/x
  3. Step 3: Cross multiply
    866,916.07x = 1,196,407.26 × 485,065.87
  4. Step 4: Simplify right side
    866,916.07x = 580,336,325,455.20
  5. Step 5: Solve for x
    x = 580,336,325,455.20/866,916.07
  6. Step 6: Final answer
    x = 669,426.20

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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.