Home / 741,613.02-1,023,428.19-402,081.42

Finding the Fourth Proportional to 741,613.02, 1,023,428.19 and 402,081.42

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Solution

The fourth proportional to 741,613.02, 1,023,428.19 and 402,081.42 is: 554,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,613.02 : 1,023,428.19 = 402,081.42 : x
  2. Step 2: Convert to fraction form
    741,613.02/1,023,428.19 = 402,081.42/x
  3. Step 3: Cross multiply
    741,613.02x = 1,023,428.19 × 402,081.42
  4. Step 4: Simplify right side
    741,613.02x = 411,501,459,903.23
  5. Step 5: Solve for x
    x = 411,501,459,903.23/741,613.02
  6. Step 6: Final answer
    x = 554,873.56

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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.