Home / 403,613.24-556,875.45-280,968.23

Finding the Fourth Proportional to 403,613.24, 556,875.45 and 280,968.23

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Solution

The fourth proportional to 403,613.24, 556,875.45 and 280,968.23 is: 387,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,613.24 : 556,875.45 = 280,968.23 : x
  2. Step 2: Convert to fraction form
    403,613.24/556,875.45 = 280,968.23/x
  3. Step 3: Cross multiply
    403,613.24x = 556,875.45 × 280,968.23
  4. Step 4: Simplify right side
    403,613.24x = 156,464,306,732.58
  5. Step 5: Solve for x
    x = 156,464,306,732.58/403,613.24
  6. Step 6: Final answer
    x = 387,659.01

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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.