Home / 859,231.64-1,185,758.45-472,052.05

Finding the Fourth Proportional to 859,231.64, 1,185,758.45 and 472,052.05

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Solution

The fourth proportional to 859,231.64, 1,185,758.45 and 472,052.05 is: 651,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,231.64 : 1,185,758.45 = 472,052.05 : x
  2. Step 2: Convert to fraction form
    859,231.64/1,185,758.45 = 472,052.05/x
  3. Step 3: Cross multiply
    859,231.64x = 1,185,758.45 × 472,052.05
  4. Step 4: Simplify right side
    859,231.64x = 559,739,707,127.32
  5. Step 5: Solve for x
    x = 559,739,707,127.32/859,231.64
  6. Step 6: Final answer
    x = 651,442.15

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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.