Home / 657,181.20-906,848.62-381,465.91

Finding the Fourth Proportional to 657,181.20, 906,848.62 and 381,465.91

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Solution

The fourth proportional to 657,181.20, 906,848.62 and 381,465.91 is: 526,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,181.20 : 906,848.62 = 381,465.91 : x
  2. Step 2: Convert to fraction form
    657,181.20/906,848.62 = 381,465.91/x
  3. Step 3: Cross multiply
    657,181.20x = 906,848.62 × 381,465.91
  4. Step 4: Simplify right side
    657,181.20x = 345,931,835,173.35
  5. Step 5: Solve for x
    x = 345,931,835,173.35/657,181.20
  6. Step 6: Final answer
    x = 526,387.29

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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.