Home / 1,020,347.20-1,530,546-487,924.48

Finding the Fourth Proportional to 1,020,347.20, 1,530,546 and 487,924.48

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Solution

The fourth proportional to 1,020,347.20, 1,530,546 and 487,924.48 is: 731,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,347.20 : 1,530,546 = 487,924.48 : x
  2. Step 2: Convert to fraction form
    1,020,347.20/1,530,546 = 487,924.48/x
  3. Step 3: Cross multiply
    1,020,347.20x = 1,530,546 × 487,924.48
  4. Step 4: Simplify right side
    1,020,347.20x = 746,790,861,166.08
  5. Step 5: Solve for x
    x = 746,790,861,166.08/1,020,347.20
  6. Step 6: Final answer
    x = 731,898.77

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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.