Home / 936,820.50-1,292,987.43-534,412.50

Finding the Fourth Proportional to 936,820.50, 1,292,987.43 and 534,412.50

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Solution

The fourth proportional to 936,820.50, 1,292,987.43 and 534,412.50 is: 737,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,820.50 : 1,292,987.43 = 534,412.50 : x
  2. Step 2: Convert to fraction form
    936,820.50/1,292,987.43 = 534,412.50/x
  3. Step 3: Cross multiply
    936,820.50x = 1,292,987.43 × 534,412.50
  4. Step 4: Simplify right side
    936,820.50x = 690,988,644,934.88
  5. Step 5: Solve for x
    x = 690,988,644,934.88/936,820.50
  6. Step 6: Final answer
    x = 737,589.16

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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.