Home / 521,238.46-719,376.84-291,883.08

Finding the Fourth Proportional to 521,238.46, 719,376.84 and 291,883.08

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Solution

The fourth proportional to 521,238.46, 719,376.84 and 291,883.08 is: 402,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,238.46 : 719,376.84 = 291,883.08 : x
  2. Step 2: Convert to fraction form
    521,238.46/719,376.84 = 291,883.08/x
  3. Step 3: Cross multiply
    521,238.46x = 719,376.84 × 291,883.08
  4. Step 4: Simplify right side
    521,238.46x = 209,973,927,739.87
  5. Step 5: Solve for x
    x = 209,973,927,739.87/521,238.46
  6. Step 6: Final answer
    x = 402,836.60

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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.