Home / 839,261.61-1,158,181.18-457,288.39

Finding the Fourth Proportional to 839,261.61, 1,158,181.18 and 457,288.39

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Solution

The fourth proportional to 839,261.61, 1,158,181.18 and 457,288.39 is: 631,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,261.61 : 1,158,181.18 = 457,288.39 : x
  2. Step 2: Convert to fraction form
    839,261.61/1,158,181.18 = 457,288.39/x
  3. Step 3: Cross multiply
    839,261.61x = 1,158,181.18 × 457,288.39
  4. Step 4: Simplify right side
    839,261.61x = 529,622,801,339.59
  5. Step 5: Solve for x
    x = 529,622,801,339.59/839,261.61
  6. Step 6: Final answer
    x = 631,058.06

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Double scale
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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.