Home / 783,598.56-1,081,290.47-439,448.59

Finding the Fourth Proportional to 783,598.56, 1,081,290.47 and 439,448.59

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Solution

The fourth proportional to 783,598.56, 1,081,290.47 and 439,448.59 is: 606,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,598.56 : 1,081,290.47 = 439,448.59 : x
  2. Step 2: Convert to fraction form
    783,598.56/1,081,290.47 = 439,448.59/x
  3. Step 3: Cross multiply
    783,598.56x = 1,081,290.47 × 439,448.59
  4. Step 4: Simplify right side
    783,598.56x = 475,171,571,576.31
  5. Step 5: Solve for x
    x = 475,171,571,576.31/783,598.56
  6. Step 6: Final answer
    x = 606,396.69

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Double scale
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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.