Home / 521,033-719,025.54-294,673.64

Finding the Fourth Proportional to 521,033, 719,025.54 and 294,673.64

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Solution

The fourth proportional to 521,033, 719,025.54 and 294,673.64 is: 406,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,033 : 719,025.54 = 294,673.64 : x
  2. Step 2: Convert to fraction form
    521,033/719,025.54 = 294,673.64/x
  3. Step 3: Cross multiply
    521,033x = 719,025.54 × 294,673.64
  4. Step 4: Simplify right side
    521,033x = 211,877,873,124.77
  5. Step 5: Solve for x
    x = 211,877,873,124.77/521,033
  6. Step 6: Final answer
    x = 406,649.62

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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.