Home / 451,775.12-623,345.01-270,418.10

Finding the Fourth Proportional to 451,775.12, 623,345.01 and 270,418.10

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Solution

The fourth proportional to 451,775.12, 623,345.01 and 270,418.10 is: 373,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,775.12 : 623,345.01 = 270,418.10 : x
  2. Step 2: Convert to fraction form
    451,775.12/623,345.01 = 270,418.10/x
  3. Step 3: Cross multiply
    451,775.12x = 623,345.01 × 270,418.10
  4. Step 4: Simplify right side
    451,775.12x = 168,563,773,248.68
  5. Step 5: Solve for x
    x = 168,563,773,248.68/451,775.12
  6. Step 6: Final answer
    x = 373,114.33

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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.