Home / 470,543.14-649,353.42-255,683.20

Finding the Fourth Proportional to 470,543.14, 649,353.42 and 255,683.20

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Solution

The fourth proportional to 470,543.14, 649,353.42 and 255,683.20 is: 352,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,543.14 : 649,353.42 = 255,683.20 : x
  2. Step 2: Convert to fraction form
    470,543.14/649,353.42 = 255,683.20/x
  3. Step 3: Cross multiply
    470,543.14x = 649,353.42 × 255,683.20
  4. Step 4: Simplify right side
    470,543.14x = 166,028,761,777.01
  5. Step 5: Solve for x
    x = 166,028,761,777.01/470,543.14
  6. Step 6: Final answer
    x = 352,844.93

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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.