Home / 723,619.96-1,085,482.20-191,134.06

Finding the Fourth Proportional to 723,619.96, 1,085,482.20 and 191,134.06

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Solution

The fourth proportional to 723,619.96, 1,085,482.20 and 191,134.06 is: 286,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,619.96 : 1,085,482.20 = 191,134.06 : x
  2. Step 2: Convert to fraction form
    723,619.96/1,085,482.20 = 191,134.06/x
  3. Step 3: Cross multiply
    723,619.96x = 1,085,482.20 × 191,134.06
  4. Step 4: Simplify right side
    723,619.96x = 207,472,619,943.73
  5. Step 5: Solve for x
    x = 207,472,619,943.73/723,619.96
  6. Step 6: Final answer
    x = 286,714.89

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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.