Home / 1,020,363.20-1,530,570-487,940.48

Finding the Fourth Proportional to 1,020,363.20, 1,530,570 and 487,940.48

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Solution

The fourth proportional to 1,020,363.20, 1,530,570 and 487,940.48 is: 731,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,363.20 : 1,530,570 = 487,940.48 : x
  2. Step 2: Convert to fraction form
    1,020,363.20/1,530,570 = 487,940.48/x
  3. Step 3: Cross multiply
    1,020,363.20x = 1,530,570 × 487,940.48
  4. Step 4: Simplify right side
    1,020,363.20x = 746,827,060,473.60
  5. Step 5: Solve for x
    x = 746,827,060,473.60/1,020,363.20
  6. Step 6: Final answer
    x = 731,922.77

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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.