Home / 755,645.03-1,042,775.17-411,485.19

Finding the Fourth Proportional to 755,645.03, 1,042,775.17 and 411,485.19

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Solution

The fourth proportional to 755,645.03, 1,042,775.17 and 411,485.19 is: 567,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,645.03 : 1,042,775.17 = 411,485.19 : x
  2. Step 2: Convert to fraction form
    755,645.03/1,042,775.17 = 411,485.19/x
  3. Step 3: Cross multiply
    755,645.03x = 1,042,775.17 × 411,485.19
  4. Step 4: Simplify right side
    755,645.03x = 429,086,538,954.73
  5. Step 5: Solve for x
    x = 429,086,538,954.73/755,645.03
  6. Step 6: Final answer
    x = 567,841.41

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Half scale
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Double scale
Find fourth proportional to 755,646.03, 1,042,776.55 and 411,486.19
Similar ratio
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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.