Home / 1,023,340.40-1,535,125.80-313,362.80

Finding the Fourth Proportional to 1,023,340.40, 1,535,125.80 and 313,362.80

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Solution

The fourth proportional to 1,023,340.40, 1,535,125.80 and 313,362.80 is: 470,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,340.40 : 1,535,125.80 = 313,362.80 : x
  2. Step 2: Convert to fraction form
    1,023,340.40/1,535,125.80 = 313,362.80/x
  3. Step 3: Cross multiply
    1,023,340.40x = 1,535,125.80 × 313,362.80
  4. Step 4: Simplify right side
    1,023,340.40x = 481,051,319,040.24
  5. Step 5: Solve for x
    x = 481,051,319,040.24/1,023,340.40
  6. Step 6: Final answer
    x = 470,079.48

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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.