Home / 1,229,996.53-1,697,394.45-686,132.16

Finding the Fourth Proportional to 1,229,996.53, 1,697,394.45 and 686,132.16

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Solution

The fourth proportional to 1,229,996.53, 1,697,394.45 and 686,132.16 is: 946,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,996.53 : 1,697,394.45 = 686,132.16 : x
  2. Step 2: Convert to fraction form
    1,229,996.53/1,697,394.45 = 686,132.16/x
  3. Step 3: Cross multiply
    1,229,996.53x = 1,697,394.45 × 686,132.16
  4. Step 4: Simplify right side
    1,229,996.53x = 1,164,636,920,350.51
  5. Step 5: Solve for x
    x = 1,164,636,920,350.51/1,229,996.53
  6. Step 6: Final answer
    x = 946,861.96

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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.