Home / 679,824.77-938,181.08-373,914.02

Finding the Fourth Proportional to 679,824.77, 938,181.08 and 373,914.02

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Solution

The fourth proportional to 679,824.77, 938,181.08 and 373,914.02 is: 516,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,824.77 : 938,181.08 = 373,914.02 : x
  2. Step 2: Convert to fraction form
    679,824.77/938,181.08 = 373,914.02/x
  3. Step 3: Cross multiply
    679,824.77x = 938,181.08 × 373,914.02
  4. Step 4: Simplify right side
    679,824.77x = 350,799,062,390.98
  5. Step 5: Solve for x
    x = 350,799,062,390.98/679,824.77
  6. Step 6: Final answer
    x = 516,013.95

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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.