Home / 484,025.80-724,656.30-470,201.80

Finding the Fourth Proportional to 484,025.80, 724,656.30 and 470,201.80

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Solution

The fourth proportional to 484,025.80, 724,656.30 and 470,201.80 is: 703,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,025.80 : 724,656.30 = 470,201.80 : x
  2. Step 2: Convert to fraction form
    484,025.80/724,656.30 = 470,201.80/x
  3. Step 3: Cross multiply
    484,025.80x = 724,656.30 × 470,201.80
  4. Step 4: Simplify right side
    484,025.80x = 340,734,696,641.34
  5. Step 5: Solve for x
    x = 340,734,696,641.34/484,025.80
  6. Step 6: Final answer
    x = 703,959.78

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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.