Home / 294,518.24-403,988.02-291,987.80

Finding the Fourth Proportional to 294,518.24, 403,988.02 and 291,987.80

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Solution

The fourth proportional to 294,518.24, 403,988.02 and 291,987.80 is: 400,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,518.24 : 403,988.02 = 291,987.80 : x
  2. Step 2: Convert to fraction form
    294,518.24/403,988.02 = 291,987.80/x
  3. Step 3: Cross multiply
    294,518.24x = 403,988.02 × 291,987.80
  4. Step 4: Simplify right side
    294,518.24x = 117,959,573,186.16
  5. Step 5: Solve for x
    x = 117,959,573,186.16/294,518.24
  6. Step 6: Final answer
    x = 400,517.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.