Home / 470,109.68-648,686.04-276,526.16

Finding the Fourth Proportional to 470,109.68, 648,686.04 and 276,526.16

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Solution

The fourth proportional to 470,109.68, 648,686.04 and 276,526.16 is: 381,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,109.68 : 648,686.04 = 276,526.16 : x
  2. Step 2: Convert to fraction form
    470,109.68/648,686.04 = 276,526.16/x
  3. Step 3: Cross multiply
    470,109.68x = 648,686.04 × 276,526.16
  4. Step 4: Simplify right side
    470,109.68x = 179,378,659,686.81
  5. Step 5: Solve for x
    x = 179,378,659,686.81/470,109.68
  6. Step 6: Final answer
    x = 381,567.68

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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.