Home / 741,903.30-1,113,037.20-209,417.40

Finding the Fourth Proportional to 741,903.30, 1,113,037.20 and 209,417.40

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Solution

The fourth proportional to 741,903.30, 1,113,037.20 and 209,417.40 is: 314,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,903.30 : 1,113,037.20 = 209,417.40 : x
  2. Step 2: Convert to fraction form
    741,903.30/1,113,037.20 = 209,417.40/x
  3. Step 3: Cross multiply
    741,903.30x = 1,113,037.20 × 209,417.40
  4. Step 4: Simplify right side
    741,903.30x = 233,089,356,527.28
  5. Step 5: Solve for x
    x = 233,089,356,527.28/741,903.30
  6. Step 6: Final answer
    x = 314,177.54

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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.