Home / 1,406,064.40-1,940,359.12-761,469.84

Finding the Fourth Proportional to 1,406,064.40, 1,940,359.12 and 761,469.84

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Solution

The fourth proportional to 1,406,064.40, 1,940,359.12 and 761,469.84 is: 1,050,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,064.40 : 1,940,359.12 = 761,469.84 : x
  2. Step 2: Convert to fraction form
    1,406,064.40/1,940,359.12 = 761,469.84/x
  3. Step 3: Cross multiply
    1,406,064.40x = 1,940,359.12 × 761,469.84
  4. Step 4: Simplify right side
    1,406,064.40x = 1,477,524,948,648.94
  5. Step 5: Solve for x
    x = 1,477,524,948,648.94/1,406,064.40
  6. Step 6: Final answer
    x = 1,050,823.10

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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.