Home / 761,967.67-1,051,516.86-422,435.92

Finding the Fourth Proportional to 761,967.67, 1,051,516.86 and 422,435.92

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Solution

The fourth proportional to 761,967.67, 1,051,516.86 and 422,435.92 is: 582,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,967.67 : 1,051,516.86 = 422,435.92 : x
  2. Step 2: Convert to fraction form
    761,967.67/1,051,516.86 = 422,435.92/x
  3. Step 3: Cross multiply
    761,967.67x = 1,051,516.86 × 422,435.92
  4. Step 4: Simplify right side
    761,967.67x = 444,198,492,149.61
  5. Step 5: Solve for x
    x = 444,198,492,149.61/761,967.67
  6. Step 6: Final answer
    x = 582,962.39

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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.