Home / 1,406,119.89-1,940,443.79-761,539.71

Finding the Fourth Proportional to 1,406,119.89, 1,940,443.79 and 761,539.71

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Solution

The fourth proportional to 1,406,119.89, 1,940,443.79 and 761,539.71 is: 1,050,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,119.89 : 1,940,443.79 = 761,539.71 : x
  2. Step 2: Convert to fraction form
    1,406,119.89/1,940,443.79 = 761,539.71/x
  3. Step 3: Cross multiply
    1,406,119.89x = 1,940,443.79 × 761,539.71
  4. Step 4: Simplify right side
    1,406,119.89x = 1,477,724,997,300.20
  5. Step 5: Solve for x
    x = 1,477,724,997,300.20/1,406,119.89
  6. Step 6: Final answer
    x = 1,050,923.90

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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.