Home / 935,487.43-1,289,802.95-780,661.79

Finding the Fourth Proportional to 935,487.43, 1,289,802.95 and 780,661.79

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Solution

The fourth proportional to 935,487.43, 1,289,802.95 and 780,661.79 is: 1,076,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,487.43 : 1,289,802.95 = 780,661.79 : x
  2. Step 2: Convert to fraction form
    935,487.43/1,289,802.95 = 780,661.79/x
  3. Step 3: Cross multiply
    935,487.43x = 1,289,802.95 × 780,661.79
  4. Step 4: Simplify right side
    935,487.43x = 1,006,899,873,245.27
  5. Step 5: Solve for x
    x = 1,006,899,873,245.27/935,487.43
  6. Step 6: Final answer
    x = 1,076,337.15

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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.