Home / 839,167.99-1,158,051.95-457,194.78

Finding the Fourth Proportional to 839,167.99, 1,158,051.95 and 457,194.78

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Solution

The fourth proportional to 839,167.99, 1,158,051.95 and 457,194.78 is: 630,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,167.99 : 1,158,051.95 = 457,194.78 : x
  2. Step 2: Convert to fraction form
    839,167.99/1,158,051.95 = 457,194.78/x
  3. Step 3: Cross multiply
    839,167.99x = 1,158,051.95 × 457,194.78
  4. Step 4: Simplify right side
    839,167.99x = 529,455,306,508.82
  5. Step 5: Solve for x
    x = 529,455,306,508.82/839,167.99
  6. Step 6: Final answer
    x = 630,928.86

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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.