Home / 1,406,066.76-1,940,361.21-761,472

Finding the Fourth Proportional to 1,406,066.76, 1,940,361.21 and 761,472

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Solution

The fourth proportional to 1,406,066.76, 1,940,361.21 and 761,472 is: 1,050,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,066.76 : 1,940,361.21 = 761,472 : x
  2. Step 2: Convert to fraction form
    1,406,066.76/1,940,361.21 = 761,472/x
  3. Step 3: Cross multiply
    1,406,066.76x = 1,940,361.21 × 761,472
  4. Step 4: Simplify right side
    1,406,066.76x = 1,477,530,731,301.12
  5. Step 5: Solve for x
    x = 1,477,530,731,301.12/1,406,066.76
  6. Step 6: Final answer
    x = 1,050,825.45

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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.