Home / 374,705.19-517,080.24-213,612.12

Finding the Fourth Proportional to 374,705.19, 517,080.24 and 213,612.12

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Solution

The fourth proportional to 374,705.19, 517,080.24 and 213,612.12 is: 294,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,705.19 : 517,080.24 = 213,612.12 : x
  2. Step 2: Convert to fraction form
    374,705.19/517,080.24 = 213,612.12/x
  3. Step 3: Cross multiply
    374,705.19x = 517,080.24 × 213,612.12
  4. Step 4: Simplify right side
    374,705.19x = 110,454,606,276.51
  5. Step 5: Solve for x
    x = 110,454,606,276.51/374,705.19
  6. Step 6: Final answer
    x = 294,777.36

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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.