Home / 1,182,168.63-1,631,394.53-672,871

Finding the Fourth Proportional to 1,182,168.63, 1,631,394.53 and 672,871

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Solution

The fourth proportional to 1,182,168.63, 1,631,394.53 and 672,871 is: 928,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,168.63 : 1,631,394.53 = 672,871 : x
  2. Step 2: Convert to fraction form
    1,182,168.63/1,631,394.53 = 672,871/x
  3. Step 3: Cross multiply
    1,182,168.63x = 1,631,394.53 × 672,871
  4. Step 4: Simplify right side
    1,182,168.63x = 1,097,718,068,795.63
  5. Step 5: Solve for x
    x = 1,097,718,068,795.63/1,182,168.63
  6. Step 6: Final answer
    x = 928,563.02

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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.