Home / 761,926.12-1,051,483.62-422,374.12

Finding the Fourth Proportional to 761,926.12, 1,051,483.62 and 422,374.12

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Solution

The fourth proportional to 761,926.12, 1,051,483.62 and 422,374.12 is: 582,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,926.12 : 1,051,483.62 = 422,374.12 : x
  2. Step 2: Convert to fraction form
    761,926.12/1,051,483.62 = 422,374.12/x
  3. Step 3: Cross multiply
    761,926.12x = 1,051,483.62 × 422,374.12
  4. Step 4: Simplify right side
    761,926.12x = 444,119,468,691.91
  5. Step 5: Solve for x
    x = 444,119,468,691.91/761,926.12
  6. Step 6: Final answer
    x = 582,890.46

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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.