Home / 744,370.29-1,027,465.16-422,294.45

Finding the Fourth Proportional to 744,370.29, 1,027,465.16 and 422,294.45

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Solution

The fourth proportional to 744,370.29, 1,027,465.16 and 422,294.45 is: 582,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,370.29 : 1,027,465.16 = 422,294.45 : x
  2. Step 2: Convert to fraction form
    744,370.29/1,027,465.16 = 422,294.45/x
  3. Step 3: Cross multiply
    744,370.29x = 1,027,465.16 × 422,294.45
  4. Step 4: Simplify right side
    744,370.29x = 433,892,827,387.56
  5. Step 5: Solve for x
    x = 433,892,827,387.56/744,370.29
  6. Step 6: Final answer
    x = 582,899.17

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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.