Home / 883,859.50-1,219,668.67-521,200.23

Finding the Fourth Proportional to 883,859.50, 1,219,668.67 and 521,200.23

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Solution

The fourth proportional to 883,859.50, 1,219,668.67 and 521,200.23 is: 719,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,859.50 : 1,219,668.67 = 521,200.23 : x
  2. Step 2: Convert to fraction form
    883,859.50/1,219,668.67 = 521,200.23/x
  3. Step 3: Cross multiply
    883,859.50x = 1,219,668.67 × 521,200.23
  4. Step 4: Simplify right side
    883,859.50x = 635,691,591,327.79
  5. Step 5: Solve for x
    x = 635,691,591,327.79/883,859.50
  6. Step 6: Final answer
    x = 719,222.45

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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.