Home / 618,024.06-926,815.77-280,782.18

Finding the Fourth Proportional to 618,024.06, 926,815.77 and 280,782.18

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Solution

The fourth proportional to 618,024.06, 926,815.77 and 280,782.18 is: 421,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,024.06 : 926,815.77 = 280,782.18 : x
  2. Step 2: Convert to fraction form
    618,024.06/926,815.77 = 280,782.18/x
  3. Step 3: Cross multiply
    618,024.06x = 926,815.77 × 280,782.18
  4. Step 4: Simplify right side
    618,024.06x = 260,233,352,358.98
  5. Step 5: Solve for x
    x = 260,233,352,358.98/618,024.06
  6. Step 6: Final answer
    x = 421,073.17

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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.