Home / 790,667.71-1,186,001.58-191,628.87

Finding the Fourth Proportional to 790,667.71, 1,186,001.58 and 191,628.87

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Solution

The fourth proportional to 790,667.71, 1,186,001.58 and 191,628.87 is: 287,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,667.71 : 1,186,001.58 = 191,628.87 : x
  2. Step 2: Convert to fraction form
    790,667.71/1,186,001.58 = 191,628.87/x
  3. Step 3: Cross multiply
    790,667.71x = 1,186,001.58 × 191,628.87
  4. Step 4: Simplify right side
    790,667.71x = 227,272,141,635.47
  5. Step 5: Solve for x
    x = 227,272,141,635.47/790,667.71
  6. Step 6: Final answer
    x = 287,443.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.