Home / 1,406,441.36-1,940,898.42-761,861.58

Finding the Fourth Proportional to 1,406,441.36, 1,940,898.42 and 761,861.58

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Solution

The fourth proportional to 1,406,441.36, 1,940,898.42 and 761,861.58 is: 1,051,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,441.36 : 1,940,898.42 = 761,861.58 : x
  2. Step 2: Convert to fraction form
    1,406,441.36/1,940,898.42 = 761,861.58/x
  3. Step 3: Cross multiply
    1,406,441.36x = 1,940,898.42 × 761,861.58
  4. Step 4: Simplify right side
    1,406,441.36x = 1,478,695,936,880.70
  5. Step 5: Solve for x
    x = 1,478,695,936,880.70/1,406,441.36
  6. Step 6: Final answer
    x = 1,051,374.04

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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.