Home / 1,146,820.66-1,582,653.12-630,613.84

Finding the Fourth Proportional to 1,146,820.66, 1,582,653.12 and 630,613.84

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Solution

The fourth proportional to 1,146,820.66, 1,582,653.12 and 630,613.84 is: 870,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,820.66 : 1,582,653.12 = 630,613.84 : x
  2. Step 2: Convert to fraction form
    1,146,820.66/1,582,653.12 = 630,613.84/x
  3. Step 3: Cross multiply
    1,146,820.66x = 1,582,653.12 × 630,613.84
  4. Step 4: Simplify right side
    1,146,820.66x = 998,042,961,391.18
  5. Step 5: Solve for x
    x = 998,042,961,391.18/1,146,820.66
  6. Step 6: Final answer
    x = 870,269.43

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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.