Home / 1,236,831.17-1,855,220.31-338,272.92

Finding the Fourth Proportional to 1,236,831.17, 1,855,220.31 and 338,272.92

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Solution

The fourth proportional to 1,236,831.17, 1,855,220.31 and 338,272.92 is: 507,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,831.17 : 1,855,220.31 = 338,272.92 : x
  2. Step 2: Convert to fraction form
    1,236,831.17/1,855,220.31 = 338,272.92/x
  3. Step 3: Cross multiply
    1,236,831.17x = 1,855,220.31 × 338,272.92
  4. Step 4: Simplify right side
    1,236,831.17x = 627,570,791,507.01
  5. Step 5: Solve for x
    x = 627,570,791,507.01/1,236,831.17
  6. Step 6: Final answer
    x = 507,402.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.