Home / 816,218.54-1,224,454.56-416,643.10

Finding the Fourth Proportional to 816,218.54, 1,224,454.56 and 416,643.10

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Solution

The fourth proportional to 816,218.54, 1,224,454.56 and 416,643.10 is: 625,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,218.54 : 1,224,454.56 = 416,643.10 : x
  2. Step 2: Convert to fraction form
    816,218.54/1,224,454.56 = 416,643.10/x
  3. Step 3: Cross multiply
    816,218.54x = 1,224,454.56 × 416,643.10
  4. Step 4: Simplify right side
    816,218.54x = 510,160,543,687.54
  5. Step 5: Solve for x
    x = 510,160,543,687.54/816,218.54
  6. Step 6: Final answer
    x = 625,029.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.