Home / 723,765.26-1,085,657.13-191,281.69

Finding the Fourth Proportional to 723,765.26, 1,085,657.13 and 191,281.69

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Solution

The fourth proportional to 723,765.26, 1,085,657.13 and 191,281.69 is: 286,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,765.26 : 1,085,657.13 = 191,281.69 : x
  2. Step 2: Convert to fraction form
    723,765.26/1,085,657.13 = 191,281.69/x
  3. Step 3: Cross multiply
    723,765.26x = 1,085,657.13 × 191,281.69
  4. Step 4: Simplify right side
    723,765.26x = 207,666,327,872.81
  5. Step 5: Solve for x
    x = 207,666,327,872.81/723,765.26
  6. Step 6: Final answer
    x = 286,924.97

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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.