Home / 682,597.71-942,172.20-396,210.06

Finding the Fourth Proportional to 682,597.71, 942,172.20 and 396,210.06

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Solution

The fourth proportional to 682,597.71, 942,172.20 and 396,210.06 is: 546,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,597.71 : 942,172.20 = 396,210.06 : x
  2. Step 2: Convert to fraction form
    682,597.71/942,172.20 = 396,210.06/x
  3. Step 3: Cross multiply
    682,597.71x = 942,172.20 × 396,210.06
  4. Step 4: Simplify right side
    682,597.71x = 373,298,103,892.33
  5. Step 5: Solve for x
    x = 373,298,103,892.33/682,597.71
  6. Step 6: Final answer
    x = 546,878.63

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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.