Home / 935,881.85-1,291,517.72-506,161.46

Finding the Fourth Proportional to 935,881.85, 1,291,517.72 and 506,161.46

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Solution

The fourth proportional to 935,881.85, 1,291,517.72 and 506,161.46 is: 698,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,881.85 : 1,291,517.72 = 506,161.46 : x
  2. Step 2: Convert to fraction form
    935,881.85/1,291,517.72 = 506,161.46/x
  3. Step 3: Cross multiply
    935,881.85x = 1,291,517.72 × 506,161.46
  4. Step 4: Simplify right side
    935,881.85x = 653,716,485,782.68
  5. Step 5: Solve for x
    x = 653,716,485,782.68/935,881.85
  6. Step 6: Final answer
    x = 698,503.22

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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.