Home / 878,225.56-1,211,935.46-496,244.12

Finding the Fourth Proportional to 878,225.56, 1,211,935.46 and 496,244.12

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Solution

The fourth proportional to 878,225.56, 1,211,935.46 and 496,244.12 is: 684,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,225.56 : 1,211,935.46 = 496,244.12 : x
  2. Step 2: Convert to fraction form
    878,225.56/1,211,935.46 = 496,244.12/x
  3. Step 3: Cross multiply
    878,225.56x = 1,211,935.46 × 496,244.12
  4. Step 4: Simplify right side
    878,225.56x = 601,415,845,844.50
  5. Step 5: Solve for x
    x = 601,415,845,844.50/878,225.56
  6. Step 6: Final answer
    x = 684,807.95

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Double scale
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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.