Home / 878,132.53-1,211,807.14-496,151.11

Finding the Fourth Proportional to 878,132.53, 1,211,807.14 and 496,151.11

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Solution

The fourth proportional to 878,132.53, 1,211,807.14 and 496,151.11 is: 684,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,132.53 : 1,211,807.14 = 496,151.11 : x
  2. Step 2: Convert to fraction form
    878,132.53/1,211,807.14 = 496,151.11/x
  3. Step 3: Cross multiply
    878,132.53x = 1,211,807.14 × 496,151.11
  4. Step 4: Simplify right side
    878,132.53x = 601,239,457,616.93
  5. Step 5: Solve for x
    x = 601,239,457,616.93/878,132.53
  6. Step 6: Final answer
    x = 684,679.63

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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.