Home / 1,405,681.94-1,939,842.00-761,102.57

Finding the Fourth Proportional to 1,405,681.94, 1,939,842.00 and 761,102.57

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Solution

The fourth proportional to 1,405,681.94, 1,939,842.00 and 761,102.57 is: 1,050,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,681.94 : 1,939,842.00 = 761,102.57 : x
  2. Step 2: Convert to fraction form
    1,405,681.94/1,939,842.00 = 761,102.57/x
  3. Step 3: Cross multiply
    1,405,681.94x = 1,939,842.00 × 761,102.57
  4. Step 4: Simplify right side
    1,405,681.94x = 1,476,418,727,788.43
  5. Step 5: Solve for x
    x = 1,476,418,727,788.43/1,405,681.94
  6. Step 6: Final answer
    x = 1,050,322.04

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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.