Home / 931,680.08-1,285,710.77-523,783.73

Finding the Fourth Proportional to 931,680.08, 1,285,710.77 and 523,783.73

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Solution

The fourth proportional to 931,680.08, 1,285,710.77 and 523,783.73 is: 722,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,680.08 : 1,285,710.77 = 523,783.73 : x
  2. Step 2: Convert to fraction form
    931,680.08/1,285,710.77 = 523,783.73/x
  3. Step 3: Cross multiply
    931,680.08x = 1,285,710.77 × 523,783.73
  4. Step 4: Simplify right side
    931,680.08x = 673,434,387,335.51
  5. Step 5: Solve for x
    x = 673,434,387,335.51/931,680.08
  6. Step 6: Final answer
    x = 722,817.20

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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.