Home / 680,571.41-1,019,733.80-395,461.62

Finding the Fourth Proportional to 680,571.41, 1,019,733.80 and 395,461.62

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Solution

The fourth proportional to 680,571.41, 1,019,733.80 and 395,461.62 is: 592,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,571.41 : 1,019,733.80 = 395,461.62 : x
  2. Step 2: Convert to fraction form
    680,571.41/1,019,733.80 = 395,461.62/x
  3. Step 3: Cross multiply
    680,571.41x = 1,019,733.80 × 395,461.62
  4. Step 4: Simplify right side
    680,571.41x = 403,265,578,539.45
  5. Step 5: Solve for x
    x = 403,265,578,539.45/680,571.41
  6. Step 6: Final answer
    x = 592,539.70

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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.