Home / 936,089.28-1,291,801.44-506,369.76

Finding the Fourth Proportional to 936,089.28, 1,291,801.44 and 506,369.76

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Solution

The fourth proportional to 936,089.28, 1,291,801.44 and 506,369.76 is: 698,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,089.28 : 1,291,801.44 = 506,369.76 : x
  2. Step 2: Convert to fraction form
    936,089.28/1,291,801.44 = 506,369.76/x
  3. Step 3: Cross multiply
    936,089.28x = 1,291,801.44 × 506,369.76
  4. Step 4: Simplify right side
    936,089.28x = 654,129,185,140.45
  5. Step 5: Solve for x
    x = 654,129,185,140.45/936,089.28
  6. Step 6: Final answer
    x = 698,789.31

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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.