Home / 1,406,006.45-1,940,279.24-761,411.89

Finding the Fourth Proportional to 1,406,006.45, 1,940,279.24 and 761,411.89

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Solution

The fourth proportional to 1,406,006.45, 1,940,279.24 and 761,411.89 is: 1,050,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,006.45 : 1,940,279.24 = 761,411.89 : x
  2. Step 2: Convert to fraction form
    1,406,006.45/1,940,279.24 = 761,411.89/x
  3. Step 3: Cross multiply
    1,406,006.45x = 1,940,279.24 × 761,411.89
  4. Step 4: Simplify right side
    1,406,006.45x = 1,477,351,687,585.04
  5. Step 5: Solve for x
    x = 1,477,351,687,585.04/1,406,006.45
  6. Step 6: Final answer
    x = 1,050,743.18

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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.