Home / 839,158.03-1,158,060.61-457,209.42

Finding the Fourth Proportional to 839,158.03, 1,158,060.61 and 457,209.42

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Solution

The fourth proportional to 839,158.03, 1,158,060.61 and 457,209.42 is: 630,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,158.03 : 1,158,060.61 = 457,209.42 : x
  2. Step 2: Convert to fraction form
    839,158.03/1,158,060.61 = 457,209.42/x
  3. Step 3: Cross multiply
    839,158.03x = 1,158,060.61 × 457,209.42
  4. Step 4: Simplify right side
    839,158.03x = 529,476,219,822.95
  5. Step 5: Solve for x
    x = 529,476,219,822.95/839,158.03
  6. Step 6: Final answer
    x = 630,961.27

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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.