Home / 775,161.04-1,069,056.12-502,960.72

Finding the Fourth Proportional to 775,161.04, 1,069,056.12 and 502,960.72

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Solution

The fourth proportional to 775,161.04, 1,069,056.12 and 502,960.72 is: 693,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,161.04 : 1,069,056.12 = 502,960.72 : x
  2. Step 2: Convert to fraction form
    775,161.04/1,069,056.12 = 502,960.72/x
  3. Step 3: Cross multiply
    775,161.04x = 1,069,056.12 × 502,960.72
  4. Step 4: Simplify right side
    775,161.04x = 537,693,235,835.61
  5. Step 5: Solve for x
    x = 537,693,235,835.61/775,161.04
  6. Step 6: Final answer
    x = 693,653.59

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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.