Home / 1,286,881.83-1,929,831.13-433,724.25

Finding the Fourth Proportional to 1,286,881.83, 1,929,831.13 and 433,724.25

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Solution

The fourth proportional to 1,286,881.83, 1,929,831.13 and 433,724.25 is: 650,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,881.83 : 1,929,831.13 = 433,724.25 : x
  2. Step 2: Convert to fraction form
    1,286,881.83/1,929,831.13 = 433,724.25/x
  3. Step 3: Cross multiply
    1,286,881.83x = 1,929,831.13 × 433,724.25
  4. Step 4: Simplify right side
    1,286,881.83x = 837,014,548,542.28
  5. Step 5: Solve for x
    x = 837,014,548,542.28/1,286,881.83
  6. Step 6: Final answer
    x = 650,420.68

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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.