Home / 520,335.64-718,077.18-293,976.28

Finding the Fourth Proportional to 520,335.64, 718,077.18 and 293,976.28

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Solution

The fourth proportional to 520,335.64, 718,077.18 and 293,976.28 is: 405,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,335.64 : 718,077.18 = 293,976.28 : x
  2. Step 2: Convert to fraction form
    520,335.64/718,077.18 = 293,976.28/x
  3. Step 3: Cross multiply
    520,335.64x = 718,077.18 × 293,976.28
  4. Step 4: Simplify right side
    520,335.64x = 211,097,658,129.29
  5. Step 5: Solve for x
    x = 211,097,658,129.29/520,335.64
  6. Step 6: Final answer
    x = 405,695.17

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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.