Home / 816,280.02-1,126,293.57-493,927.38

Finding the Fourth Proportional to 816,280.02, 1,126,293.57 and 493,927.38

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Solution

The fourth proportional to 816,280.02, 1,126,293.57 and 493,927.38 is: 681,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,280.02 : 1,126,293.57 = 493,927.38 : x
  2. Step 2: Convert to fraction form
    816,280.02/1,126,293.57 = 493,927.38/x
  3. Step 3: Cross multiply
    816,280.02x = 1,126,293.57 × 493,927.38
  4. Step 4: Simplify right side
    816,280.02x = 556,307,232,140.95
  5. Step 5: Solve for x
    x = 556,307,232,140.95/816,280.02
  6. Step 6: Final answer
    x = 681,515.19

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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.