Home / 551,971.68-828,278.78-232,100.40

Finding the Fourth Proportional to 551,971.68, 828,278.78 and 232,100.40

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Solution

The fourth proportional to 551,971.68, 828,278.78 and 232,100.40 is: 348,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,971.68 : 828,278.78 = 232,100.40 : x
  2. Step 2: Convert to fraction form
    551,971.68/828,278.78 = 232,100.40/x
  3. Step 3: Cross multiply
    551,971.68x = 828,278.78 × 232,100.40
  4. Step 4: Simplify right side
    551,971.68x = 192,243,836,149.51
  5. Step 5: Solve for x
    x = 192,243,836,149.51/551,971.68
  6. Step 6: Final answer
    x = 348,285.69

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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.