Home / 741,603.12-1,023,349.32-419,268.48

Finding the Fourth Proportional to 741,603.12, 1,023,349.32 and 419,268.48

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Solution

The fourth proportional to 741,603.12, 1,023,349.32 and 419,268.48 is: 578,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,603.12 : 1,023,349.32 = 419,268.48 : x
  2. Step 2: Convert to fraction form
    741,603.12/1,023,349.32 = 419,268.48/x
  3. Step 3: Cross multiply
    741,603.12x = 1,023,349.32 × 419,268.48
  4. Step 4: Simplify right side
    741,603.12x = 429,058,113,905.43
  5. Step 5: Solve for x
    x = 429,058,113,905.43/741,603.12
  6. Step 6: Final answer
    x = 578,554.89

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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.