Home / 744,360.96-1,026,986.40-422,045.76

Finding the Fourth Proportional to 744,360.96, 1,026,986.40 and 422,045.76

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Solution

The fourth proportional to 744,360.96, 1,026,986.40 and 422,045.76 is: 582,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,360.96 : 1,026,986.40 = 422,045.76 : x
  2. Step 2: Convert to fraction form
    744,360.96/1,026,986.40 = 422,045.76/x
  3. Step 3: Cross multiply
    744,360.96x = 1,026,986.40 × 422,045.76
  4. Step 4: Simplify right side
    744,360.96x = 433,435,255,697.66
  5. Step 5: Solve for x
    x = 433,435,255,697.66/744,360.96
  6. Step 6: Final answer
    x = 582,291.76

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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.