Home / 556,981.79-834,724.31-303,883.02

Finding the Fourth Proportional to 556,981.79, 834,724.31 and 303,883.02

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Solution

The fourth proportional to 556,981.79, 834,724.31 and 303,883.02 is: 455,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,981.79 : 834,724.31 = 303,883.02 : x
  2. Step 2: Convert to fraction form
    556,981.79/834,724.31 = 303,883.02/x
  3. Step 3: Cross multiply
    556,981.79x = 834,724.31 × 303,883.02
  4. Step 4: Simplify right side
    556,981.79x = 253,658,542,670.80
  5. Step 5: Solve for x
    x = 253,658,542,670.80/556,981.79
  6. Step 6: Final answer
    x = 455,416.23

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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.