Home / 1,678,707.70-2,316,619.58-914,761.26

Finding the Fourth Proportional to 1,678,707.70, 2,316,619.58 and 914,761.26

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Solution

The fourth proportional to 1,678,707.70, 2,316,619.58 and 914,761.26 is: 1,262,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,707.70 : 2,316,619.58 = 914,761.26 : x
  2. Step 2: Convert to fraction form
    1,678,707.70/2,316,619.58 = 914,761.26/x
  3. Step 3: Cross multiply
    1,678,707.70x = 2,316,619.58 × 914,761.26
  4. Step 4: Simplify right side
    1,678,707.70x = 2,119,153,841,367.66
  5. Step 5: Solve for x
    x = 2,119,153,841,367.66/1,678,707.70
  6. Step 6: Final answer
    x = 1,262,372.15

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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.