Home / 855,392.04-1,180,337.46-492,934.68

Finding the Fourth Proportional to 855,392.04, 1,180,337.46 and 492,934.68

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Solution

The fourth proportional to 855,392.04, 1,180,337.46 and 492,934.68 is: 680,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,392.04 : 1,180,337.46 = 492,934.68 : x
  2. Step 2: Convert to fraction form
    855,392.04/1,180,337.46 = 492,934.68/x
  3. Step 3: Cross multiply
    855,392.04x = 1,180,337.46 × 492,934.68
  4. Step 4: Simplify right side
    855,392.04x = 581,829,268,137.11
  5. Step 5: Solve for x
    x = 581,829,268,137.11/855,392.04
  6. Step 6: Final answer
    x = 680,190.18

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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.