Home / 470,492.38-649,280.19-255,632.37

Finding the Fourth Proportional to 470,492.38, 649,280.19 and 255,632.37

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Solution

The fourth proportional to 470,492.38, 649,280.19 and 255,632.37 is: 352,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,492.38 : 649,280.19 = 255,632.37 : x
  2. Step 2: Convert to fraction form
    470,492.38/649,280.19 = 255,632.37/x
  3. Step 3: Cross multiply
    470,492.38x = 649,280.19 × 255,632.37
  4. Step 4: Simplify right side
    470,492.38x = 165,977,033,763.75
  5. Step 5: Solve for x
    x = 165,977,033,763.75/470,492.38
  6. Step 6: Final answer
    x = 352,773.05

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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.