Home / 935,780.88-1,291,380.57-506,064

Finding the Fourth Proportional to 935,780.88, 1,291,380.57 and 506,064

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Solution

The fourth proportional to 935,780.88, 1,291,380.57 and 506,064 is: 698,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,780.88 : 1,291,380.57 = 506,064 : x
  2. Step 2: Convert to fraction form
    935,780.88/1,291,380.57 = 506,064/x
  3. Step 3: Cross multiply
    935,780.88x = 1,291,380.57 × 506,064
  4. Step 4: Simplify right side
    935,780.88x = 653,521,216,776.48
  5. Step 5: Solve for x
    x = 653,521,216,776.48/935,780.88
  6. Step 6: Final answer
    x = 698,369.92

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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.