Home / 865,333.59-1,298,001.36-225,636.77

Finding the Fourth Proportional to 865,333.59, 1,298,001.36 and 225,636.77

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Solution

The fourth proportional to 865,333.59, 1,298,001.36 and 225,636.77 is: 338,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,333.59 : 1,298,001.36 = 225,636.77 : x
  2. Step 2: Convert to fraction form
    865,333.59/1,298,001.36 = 225,636.77/x
  3. Step 3: Cross multiply
    865,333.59x = 1,298,001.36 × 225,636.77
  4. Step 4: Simplify right side
    865,333.59x = 292,876,827,836.00
  5. Step 5: Solve for x
    x = 292,876,827,836.00/865,333.59
  6. Step 6: Final answer
    x = 338,455.40

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1.5x scale

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.