Home / 882,324.12-1,217,619.18-500,342.52

Finding the Fourth Proportional to 882,324.12, 1,217,619.18 and 500,342.52

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Solution

The fourth proportional to 882,324.12, 1,217,619.18 and 500,342.52 is: 690,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,324.12 : 1,217,619.18 = 500,342.52 : x
  2. Step 2: Convert to fraction form
    882,324.12/1,217,619.18 = 500,342.52/x
  3. Step 3: Cross multiply
    882,324.12x = 1,217,619.18 × 500,342.52
  4. Step 4: Simplify right side
    882,324.12x = 609,226,648,921.53
  5. Step 5: Solve for x
    x = 609,226,648,921.53/882,324.12
  6. Step 6: Final answer
    x = 690,479.42

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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.