Home / 676,866.40-1,014,608.40-396,239.20

Finding the Fourth Proportional to 676,866.40, 1,014,608.40 and 396,239.20

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Solution

The fourth proportional to 676,866.40, 1,014,608.40 and 396,239.20 is: 593,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,866.40 : 1,014,608.40 = 396,239.20 : x
  2. Step 2: Convert to fraction form
    676,866.40/1,014,608.40 = 396,239.20/x
  3. Step 3: Cross multiply
    676,866.40x = 1,014,608.40 × 396,239.20
  4. Step 4: Simplify right side
    676,866.40x = 402,027,620,729.28
  5. Step 5: Solve for x
    x = 402,027,620,729.28/676,866.40
  6. Step 6: Final answer
    x = 593,954.17

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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.