Home / 403,965.90-556,717.77-301,811.13

Finding the Fourth Proportional to 403,965.90, 556,717.77 and 301,811.13

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Solution

The fourth proportional to 403,965.90, 556,717.77 and 301,811.13 is: 415,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,965.90 : 556,717.77 = 301,811.13 : x
  2. Step 2: Convert to fraction form
    403,965.90/556,717.77 = 301,811.13/x
  3. Step 3: Cross multiply
    403,965.90x = 556,717.77 × 301,811.13
  4. Step 4: Simplify right side
    403,965.90x = 168,023,619,254.78
  5. Step 5: Solve for x
    x = 168,023,619,254.78/403,965.90
  6. Step 6: Final answer
    x = 415,935.16

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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.