Home / 1,110,698.52-1,666,112.37-312,042.35

Finding the Fourth Proportional to 1,110,698.52, 1,666,112.37 and 312,042.35

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Solution

The fourth proportional to 1,110,698.52, 1,666,112.37 and 312,042.35 is: 468,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,698.52 : 1,666,112.37 = 312,042.35 : x
  2. Step 2: Convert to fraction form
    1,110,698.52/1,666,112.37 = 312,042.35/x
  3. Step 3: Cross multiply
    1,110,698.52x = 1,666,112.37 × 312,042.35
  4. Step 4: Simplify right side
    1,110,698.52x = 519,897,609,408.10
  5. Step 5: Solve for x
    x = 519,897,609,408.10/1,110,698.52
  6. Step 6: Final answer
    x = 468,081.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.