Home / 1,286,203.60-1,929,581.88-433,360

Finding the Fourth Proportional to 1,286,203.60, 1,929,581.88 and 433,360

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Solution

The fourth proportional to 1,286,203.60, 1,929,581.88 and 433,360 is: 650,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,203.60 : 1,929,581.88 = 433,360 : x
  2. Step 2: Convert to fraction form
    1,286,203.60/1,929,581.88 = 433,360/x
  3. Step 3: Cross multiply
    1,286,203.60x = 1,929,581.88 × 433,360
  4. Step 4: Simplify right side
    1,286,203.60x = 836,203,603,516.80
  5. Step 5: Solve for x
    x = 836,203,603,516.80/1,286,203.60
  6. Step 6: Final answer
    x = 650,133.15

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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.