Home / 784,668.90-1,177,156.95-335,388.90

Finding the Fourth Proportional to 784,668.90, 1,177,156.95 and 335,388.90

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Solution

The fourth proportional to 784,668.90, 1,177,156.95 and 335,388.90 is: 503,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,668.90 : 1,177,156.95 = 335,388.90 : x
  2. Step 2: Convert to fraction form
    784,668.90/1,177,156.95 = 335,388.90/x
  3. Step 3: Cross multiply
    784,668.90x = 1,177,156.95 × 335,388.90
  4. Step 4: Simplify right side
    784,668.90x = 394,805,374,587.86
  5. Step 5: Solve for x
    x = 394,805,374,587.86/784,668.90
  6. Step 6: Final answer
    x = 503,149.00

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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.