Home / 1,406,388.18-1,939,539.81-922,769.58

Finding the Fourth Proportional to 1,406,388.18, 1,939,539.81 and 922,769.58

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Solution

The fourth proportional to 1,406,388.18, 1,939,539.81 and 922,769.58 is: 1,272,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,388.18 : 1,939,539.81 = 922,769.58 : x
  2. Step 2: Convert to fraction form
    1,406,388.18/1,939,539.81 = 922,769.58/x
  3. Step 3: Cross multiply
    1,406,388.18x = 1,939,539.81 × 922,769.58
  4. Step 4: Simplify right side
    1,406,388.18x = 1,789,748,335,866.98
  5. Step 5: Solve for x
    x = 1,789,748,335,866.98/1,406,388.18
  6. Step 6: Final answer
    x = 1,272,584.88

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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.