Home / 764,220.50-1,053,512.77-534,063.23

Finding the Fourth Proportional to 764,220.50, 1,053,512.77 and 534,063.23

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Solution

The fourth proportional to 764,220.50, 1,053,512.77 and 534,063.23 is: 736,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,220.50 : 1,053,512.77 = 534,063.23 : x
  2. Step 2: Convert to fraction form
    764,220.50/1,053,512.77 = 534,063.23/x
  3. Step 3: Cross multiply
    764,220.50x = 1,053,512.77 × 534,063.23
  4. Step 4: Simplify right side
    764,220.50x = 562,642,432,792.45
  5. Step 5: Solve for x
    x = 562,642,432,792.45/764,220.50
  6. Step 6: Final answer
    x = 736,230.49

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Double scale
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Similar ratio
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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.