Home / 925,783.13-1,277,520.40-517,814.21

Finding the Fourth Proportional to 925,783.13, 1,277,520.40 and 517,814.21

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Solution

The fourth proportional to 925,783.13, 1,277,520.40 and 517,814.21 is: 714,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,783.13 : 1,277,520.40 = 517,814.21 : x
  2. Step 2: Convert to fraction form
    925,783.13/1,277,520.40 = 517,814.21/x
  3. Step 3: Cross multiply
    925,783.13x = 1,277,520.40 × 517,814.21
  4. Step 4: Simplify right side
    925,783.13x = 661,518,216,684.88
  5. Step 5: Solve for x
    x = 661,518,216,684.88/925,783.13
  6. Step 6: Final answer
    x = 714,549.87

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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.