Home / 1,403,729.58-2,105,594.75-393,000.42

Finding the Fourth Proportional to 1,403,729.58, 2,105,594.75 and 393,000.42

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Solution

The fourth proportional to 1,403,729.58, 2,105,594.75 and 393,000.42 is: 589,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,729.58 : 2,105,594.75 = 393,000.42 : x
  2. Step 2: Convert to fraction form
    1,403,729.58/2,105,594.75 = 393,000.42/x
  3. Step 3: Cross multiply
    1,403,729.58x = 2,105,594.75 × 393,000.42
  4. Step 4: Simplify right side
    1,403,729.58x = 827,499,619,134.79
  5. Step 5: Solve for x
    x = 827,499,619,134.79/1,403,729.58
  6. Step 6: Final answer
    x = 589,500.73

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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.