Home / 713,032.40-1,069,836.60-313,749.20

Finding the Fourth Proportional to 713,032.40, 1,069,836.60 and 313,749.20

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Solution

The fourth proportional to 713,032.40, 1,069,836.60 and 313,749.20 is: 470,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,032.40 : 1,069,836.60 = 313,749.20 : x
  2. Step 2: Convert to fraction form
    713,032.40/1,069,836.60 = 313,749.20/x
  3. Step 3: Cross multiply
    713,032.40x = 1,069,836.60 × 313,749.20
  4. Step 4: Simplify right side
    713,032.40x = 335,660,377,380.72
  5. Step 5: Solve for x
    x = 335,660,377,380.72/713,032.40
  6. Step 6: Final answer
    x = 470,750.53

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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.