Home / 470,174.38-648,841.95-255,318.04

Finding the Fourth Proportional to 470,174.38, 648,841.95 and 255,318.04

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Solution

The fourth proportional to 470,174.38, 648,841.95 and 255,318.04 is: 352,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,174.38 : 648,841.95 = 255,318.04 : x
  2. Step 2: Convert to fraction form
    470,174.38/648,841.95 = 255,318.04/x
  3. Step 3: Cross multiply
    470,174.38x = 648,841.95 × 255,318.04
  4. Step 4: Simplify right side
    470,174.38x = 165,661,054,943.78
  5. Step 5: Solve for x
    x = 165,661,054,943.78/470,174.38
  6. Step 6: Final answer
    x = 352,339.60

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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.