Home / 470,216.19-648,911.21-276,637.53

Finding the Fourth Proportional to 470,216.19, 648,911.21 and 276,637.53

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Solution

The fourth proportional to 470,216.19, 648,911.21 and 276,637.53 is: 381,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,216.19 : 648,911.21 = 276,637.53 : x
  2. Step 2: Convert to fraction form
    470,216.19/648,911.21 = 276,637.53/x
  3. Step 3: Cross multiply
    470,216.19x = 648,911.21 × 276,637.53
  4. Step 4: Simplify right side
    470,216.19x = 179,513,194,323.71
  5. Step 5: Solve for x
    x = 179,513,194,323.71/470,216.19
  6. Step 6: Final answer
    x = 381,767.36

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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.