Home / 866,881.93-1,196,423.98-499,288.41

Finding the Fourth Proportional to 866,881.93, 1,196,423.98 and 499,288.41

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Solution

The fourth proportional to 866,881.93, 1,196,423.98 and 499,288.41 is: 689,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,881.93 : 1,196,423.98 = 499,288.41 : x
  2. Step 2: Convert to fraction form
    866,881.93/1,196,423.98 = 499,288.41/x
  3. Step 3: Cross multiply
    866,881.93x = 1,196,423.98 × 499,288.41
  4. Step 4: Simplify right side
    866,881.93x = 597,360,624,163.63
  5. Step 5: Solve for x
    x = 597,360,624,163.63/866,881.93
  6. Step 6: Final answer
    x = 689,091.10

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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.