Home / 1,678,536.82-2,316,381.24-914,590.45

Finding the Fourth Proportional to 1,678,536.82, 2,316,381.24 and 914,590.45

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Solution

The fourth proportional to 1,678,536.82, 2,316,381.24 and 914,590.45 is: 1,262,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,536.82 : 2,316,381.24 = 914,590.45 : x
  2. Step 2: Convert to fraction form
    1,678,536.82/2,316,381.24 = 914,590.45/x
  3. Step 3: Cross multiply
    1,678,536.82x = 2,316,381.24 × 914,590.45
  4. Step 4: Simplify right side
    1,678,536.82x = 2,118,540,160,663.16
  5. Step 5: Solve for x
    x = 2,118,540,160,663.16/1,678,536.82
  6. Step 6: Final answer
    x = 1,262,135.05

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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.