Home / 743,961-1,116,257.58-406,607.58

Finding the Fourth Proportional to 743,961, 1,116,257.58 and 406,607.58

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Solution

The fourth proportional to 743,961, 1,116,257.58 and 406,607.58 is: 610,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,961 : 1,116,257.58 = 406,607.58 : x
  2. Step 2: Convert to fraction form
    743,961/1,116,257.58 = 406,607.58/x
  3. Step 3: Cross multiply
    743,961x = 1,116,257.58 × 406,607.58
  4. Step 4: Simplify right side
    743,961x = 453,878,793,260.46
  5. Step 5: Solve for x
    x = 453,878,793,260.46/743,961
  6. Step 6: Final answer
    x = 610,084.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.