Home / 470,029.60-648,641.32-255,169.52

Finding the Fourth Proportional to 470,029.60, 648,641.32 and 255,169.52

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Solution

The fourth proportional to 470,029.60, 648,641.32 and 255,169.52 is: 352,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,029.60 : 648,641.32 = 255,169.52 : x
  2. Step 2: Convert to fraction form
    470,029.60/648,641.32 = 255,169.52/x
  3. Step 3: Cross multiply
    470,029.60x = 648,641.32 × 255,169.52
  4. Step 4: Simplify right side
    470,029.60x = 165,513,494,276.57
  5. Step 5: Solve for x
    x = 165,513,494,276.57/470,029.60
  6. Step 6: Final answer
    x = 352,134.19

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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.