Home / 338,350.09-507,534.01-98,454.30

Finding the Fourth Proportional to 338,350.09, 507,534.01 and 98,454.30

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Solution

The fourth proportional to 338,350.09, 507,534.01 and 98,454.30 is: 147,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,350.09 : 507,534.01 = 98,454.30 : x
  2. Step 2: Convert to fraction form
    338,350.09/507,534.01 = 98,454.30/x
  3. Step 3: Cross multiply
    338,350.09x = 507,534.01 × 98,454.30
  4. Step 4: Simplify right side
    338,350.09x = 49,968,904,937.33
  5. Step 5: Solve for x
    x = 49,968,904,937.33/338,350.09
  6. Step 6: Final answer
    x = 147,684.03

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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.