Home / 865,730.05-1,298,595.08-234,643.86

Finding the Fourth Proportional to 865,730.05, 1,298,595.08 and 234,643.86

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Solution

The fourth proportional to 865,730.05, 1,298,595.08 and 234,643.86 is: 351,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,730.05 : 1,298,595.08 = 234,643.86 : x
  2. Step 2: Convert to fraction form
    865,730.05/1,298,595.08 = 234,643.86/x
  3. Step 3: Cross multiply
    865,730.05x = 1,298,595.08 × 234,643.86
  4. Step 4: Simplify right side
    865,730.05x = 304,707,362,734.82
  5. Step 5: Solve for x
    x = 304,707,362,734.82/865,730.05
  6. Step 6: Final answer
    x = 351,965.79

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Similar ratio
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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.