Home / 907,688.20-1,359,458.70-534,440.20

Finding the Fourth Proportional to 907,688.20, 1,359,458.70 and 534,440.20

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Solution

The fourth proportional to 907,688.20, 1,359,458.70 and 534,440.20 is: 800,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,688.20 : 1,359,458.70 = 534,440.20 : x
  2. Step 2: Convert to fraction form
    907,688.20/1,359,458.70 = 534,440.20/x
  3. Step 3: Cross multiply
    907,688.20x = 1,359,458.70 × 534,440.20
  4. Step 4: Simplify right side
    907,688.20x = 726,549,379,519.74
  5. Step 5: Solve for x
    x = 726,549,379,519.74/907,688.20
  6. Step 6: Final answer
    x = 800,439.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.