Home / 805,169.04-1,111,380.84-518,688.24

Finding the Fourth Proportional to 805,169.04, 1,111,380.84 and 518,688.24

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Solution

The fourth proportional to 805,169.04, 1,111,380.84 and 518,688.24 is: 715,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,169.04 : 1,111,380.84 = 518,688.24 : x
  2. Step 2: Convert to fraction form
    805,169.04/1,111,380.84 = 518,688.24/x
  3. Step 3: Cross multiply
    805,169.04x = 1,111,380.84 × 518,688.24
  4. Step 4: Simplify right side
    805,169.04x = 576,460,171,869.32
  5. Step 5: Solve for x
    x = 576,460,171,869.32/805,169.04
  6. Step 6: Final answer
    x = 715,949.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.