Home / 1,023,713.40-1,535,685.30-313,735.80

Finding the Fourth Proportional to 1,023,713.40, 1,535,685.30 and 313,735.80

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Solution

The fourth proportional to 1,023,713.40, 1,535,685.30 and 313,735.80 is: 470,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,713.40 : 1,535,685.30 = 313,735.80 : x
  2. Step 2: Convert to fraction form
    1,023,713.40/1,535,685.30 = 313,735.80/x
  3. Step 3: Cross multiply
    1,023,713.40x = 1,535,685.30 × 313,735.80
  4. Step 4: Simplify right side
    1,023,713.40x = 481,799,456,143.74
  5. Step 5: Solve for x
    x = 481,799,456,143.74/1,023,713.40
  6. Step 6: Final answer
    x = 470,639.01

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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.