Home / 470,285.19-648,998.33-255,429.45

Finding the Fourth Proportional to 470,285.19, 648,998.33 and 255,429.45

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Solution

The fourth proportional to 470,285.19, 648,998.33 and 255,429.45 is: 352,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,285.19 : 648,998.33 = 255,429.45 : x
  2. Step 2: Convert to fraction form
    470,285.19/648,998.33 = 255,429.45/x
  3. Step 3: Cross multiply
    470,285.19x = 648,998.33 × 255,429.45
  4. Step 4: Simplify right side
    470,285.19x = 165,773,285,205.67
  5. Step 5: Solve for x
    x = 165,773,285,205.67/470,285.19
  6. Step 6: Final answer
    x = 352,495.23

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1.5x scale

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.