Home / 1,406,451.11-1,940,911.88-761,871.33

Finding the Fourth Proportional to 1,406,451.11, 1,940,911.88 and 761,871.33

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Solution

The fourth proportional to 1,406,451.11, 1,940,911.88 and 761,871.33 is: 1,051,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,451.11 : 1,940,911.88 = 761,871.33 : x
  2. Step 2: Convert to fraction form
    1,406,451.11/1,940,911.88 = 761,871.33/x
  3. Step 3: Cross multiply
    1,406,451.11x = 1,940,911.88 × 761,871.33
  4. Step 4: Simplify right side
    1,406,451.11x = 1,478,725,111,619.04
  5. Step 5: Solve for x
    x = 1,478,725,111,619.04/1,406,451.11
  6. Step 6: Final answer
    x = 1,051,387.50

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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.