Home / 470,447.22-649,217.70-255,587.52

Finding the Fourth Proportional to 470,447.22, 649,217.70 and 255,587.52

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Solution

The fourth proportional to 470,447.22, 649,217.70 and 255,587.52 is: 352,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,447.22 : 649,217.70 = 255,587.52 : x
  2. Step 2: Convert to fraction form
    470,447.22/649,217.70 = 255,587.52/x
  3. Step 3: Cross multiply
    470,447.22x = 649,217.70 × 255,587.52
  4. Step 4: Simplify right side
    470,447.22x = 165,931,941,883.10
  5. Step 5: Solve for x
    x = 165,931,941,883.10/470,447.22
  6. Step 6: Final answer
    x = 352,711.07

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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.