Home / 759,575.21-1,048,171.39-415,342.82

Finding the Fourth Proportional to 759,575.21, 1,048,171.39 and 415,342.82

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Solution

The fourth proportional to 759,575.21, 1,048,171.39 and 415,342.82 is: 573,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,575.21 : 1,048,171.39 = 415,342.82 : x
  2. Step 2: Convert to fraction form
    759,575.21/1,048,171.39 = 415,342.82/x
  3. Step 3: Cross multiply
    759,575.21x = 1,048,171.39 × 415,342.82
  4. Step 4: Simplify right side
    759,575.21x = 435,350,462,547.99
  5. Step 5: Solve for x
    x = 435,350,462,547.99/759,575.21
  6. Step 6: Final answer
    x = 573,149.91

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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.