Home / 741,641.64-1,023,485.56-419,399.76

Finding the Fourth Proportional to 741,641.64, 1,023,485.56 and 419,399.76

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Solution

The fourth proportional to 741,641.64, 1,023,485.56 and 419,399.76 is: 578,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,641.64 : 1,023,485.56 = 419,399.76 : x
  2. Step 2: Convert to fraction form
    741,641.64/1,023,485.56 = 419,399.76/x
  3. Step 3: Cross multiply
    741,641.64x = 1,023,485.56 × 419,399.76
  4. Step 4: Simplify right side
    741,641.64x = 429,249,598,227.47
  5. Step 5: Solve for x
    x = 429,249,598,227.47/741,641.64
  6. Step 6: Final answer
    x = 578,783.03

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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.