Home / 823,442.10-1,235,281.21-254,873.13

Finding the Fourth Proportional to 823,442.10, 1,235,281.21 and 254,873.13

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Solution

The fourth proportional to 823,442.10, 1,235,281.21 and 254,873.13 is: 382,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,442.10 : 1,235,281.21 = 254,873.13 : x
  2. Step 2: Convert to fraction form
    823,442.10/1,235,281.21 = 254,873.13/x
  3. Step 3: Cross multiply
    823,442.10x = 1,235,281.21 × 254,873.13
  4. Step 4: Simplify right side
    823,442.10x = 314,839,993,373.78
  5. Step 5: Solve for x
    x = 314,839,993,373.78/823,442.10
  6. Step 6: Final answer
    x = 382,346.24

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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.