Home / 1,222,649.39-1,833,384.20-512,486.75

Finding the Fourth Proportional to 1,222,649.39, 1,833,384.20 and 512,486.75

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Solution

The fourth proportional to 1,222,649.39, 1,833,384.20 and 512,486.75 is: 768,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,649.39 : 1,833,384.20 = 512,486.75 : x
  2. Step 2: Convert to fraction form
    1,222,649.39/1,833,384.20 = 512,486.75/x
  3. Step 3: Cross multiply
    1,222,649.39x = 1,833,384.20 × 512,486.75
  4. Step 4: Simplify right side
    1,222,649.39x = 939,585,098,430.00
  5. Step 5: Solve for x
    x = 939,585,098,430.00/1,222,649.39
  6. Step 6: Final answer
    x = 768,482.86

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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.