Home / 551,629.40-828,221.70-341,677.40

Finding the Fourth Proportional to 551,629.40, 828,221.70 and 341,677.40

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Solution

The fourth proportional to 551,629.40, 828,221.70 and 341,677.40 is: 512,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,629.40 : 828,221.70 = 341,677.40 : x
  2. Step 2: Convert to fraction form
    551,629.40/828,221.70 = 341,677.40/x
  3. Step 3: Cross multiply
    551,629.40x = 828,221.70 × 341,677.40
  4. Step 4: Simplify right side
    551,629.40x = 282,984,637,079.58
  5. Step 5: Solve for x
    x = 282,984,637,079.58/551,629.40
  6. Step 6: Final answer
    x = 512,997.74

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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.