Home / 891,984.89-1,230,939.80-484,086.63

Finding the Fourth Proportional to 891,984.89, 1,230,939.80 and 484,086.63

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Solution

The fourth proportional to 891,984.89, 1,230,939.80 and 484,086.63 is: 668,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,984.89 : 1,230,939.80 = 484,086.63 : x
  2. Step 2: Convert to fraction form
    891,984.89/1,230,939.80 = 484,086.63/x
  3. Step 3: Cross multiply
    891,984.89x = 1,230,939.80 × 484,086.63
  4. Step 4: Simplify right side
    891,984.89x = 595,881,497,094.44
  5. Step 5: Solve for x
    x = 595,881,497,094.44/891,984.89
  6. Step 6: Final answer
    x = 668,039.90

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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.