Home / 1,186,137.34-1,636,834.53-669,912.39

Finding the Fourth Proportional to 1,186,137.34, 1,636,834.53 and 669,912.39

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Solution

The fourth proportional to 1,186,137.34, 1,636,834.53 and 669,912.39 is: 924,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,137.34 : 1,636,834.53 = 669,912.39 : x
  2. Step 2: Convert to fraction form
    1,186,137.34/1,636,834.53 = 669,912.39/x
  3. Step 3: Cross multiply
    1,186,137.34x = 1,636,834.53 × 669,912.39
  4. Step 4: Simplify right side
    1,186,137.34x = 1,096,535,734,539.00
  5. Step 5: Solve for x
    x = 1,096,535,734,539.00/1,186,137.34
  6. Step 6: Final answer
    x = 924,459.34

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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.