Home / 470,842.95-649,760.07-255,983.01

Finding the Fourth Proportional to 470,842.95, 649,760.07 and 255,983.01

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Solution

The fourth proportional to 470,842.95, 649,760.07 and 255,983.01 is: 353,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,842.95 : 649,760.07 = 255,983.01 : x
  2. Step 2: Convert to fraction form
    470,842.95/649,760.07 = 255,983.01/x
  3. Step 3: Cross multiply
    470,842.95x = 649,760.07 × 255,983.01
  4. Step 4: Simplify right side
    470,842.95x = 166,327,537,216.50
  5. Step 5: Solve for x
    x = 166,327,537,216.50/470,842.95
  6. Step 6: Final answer
    x = 353,254.81

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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.