Home / 839,181.45-1,158,083.69-457,208.13

Finding the Fourth Proportional to 839,181.45, 1,158,083.69 and 457,208.13

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Solution

The fourth proportional to 839,181.45, 1,158,083.69 and 457,208.13 is: 630,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,181.45 : 1,158,083.69 = 457,208.13 : x
  2. Step 2: Convert to fraction form
    839,181.45/1,158,083.69 = 457,208.13/x
  3. Step 3: Cross multiply
    839,181.45x = 1,158,083.69 × 457,208.13
  4. Step 4: Simplify right side
    839,181.45x = 529,485,276,002.36
  5. Step 5: Solve for x
    x = 529,485,276,002.36/839,181.45
  6. Step 6: Final answer
    x = 630,954.46

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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.