Home / 470,583.95-649,405.35-255,723.55

Finding the Fourth Proportional to 470,583.95, 649,405.35 and 255,723.55

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Solution

The fourth proportional to 470,583.95, 649,405.35 and 255,723.55 is: 352,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,583.95 : 649,405.35 = 255,723.55 : x
  2. Step 2: Convert to fraction form
    470,583.95/649,405.35 = 255,723.55/x
  3. Step 3: Cross multiply
    470,583.95x = 649,405.35 × 255,723.55
  4. Step 4: Simplify right side
    470,583.95x = 166,068,239,867.48
  5. Step 5: Solve for x
    x = 166,068,239,867.48/470,583.95
  6. Step 6: Final answer
    x = 352,898.23

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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.