Home / 816,281.02-1,126,294.95-493,928.38

Finding the Fourth Proportional to 816,281.02, 1,126,294.95 and 493,928.38

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Solution

The fourth proportional to 816,281.02, 1,126,294.95 and 493,928.38 is: 681,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,281.02 : 1,126,294.95 = 493,928.38 : x
  2. Step 2: Convert to fraction form
    816,281.02/1,126,294.95 = 493,928.38/x
  3. Step 3: Cross multiply
    816,281.02x = 1,126,294.95 × 493,928.38
  4. Step 4: Simplify right side
    816,281.02x = 556,309,040,055.68
  5. Step 5: Solve for x
    x = 556,309,040,055.68/816,281.02
  6. Step 6: Final answer
    x = 681,516.57

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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.