Home / 755,714.19-1,042,869.96-411,556.14

Finding the Fourth Proportional to 755,714.19, 1,042,869.96 and 411,556.14

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Solution

The fourth proportional to 755,714.19, 1,042,869.96 and 411,556.14 is: 567,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,714.19 : 1,042,869.96 = 411,556.14 : x
  2. Step 2: Convert to fraction form
    755,714.19/1,042,869.96 = 411,556.14/x
  3. Step 3: Cross multiply
    755,714.19x = 1,042,869.96 × 411,556.14
  4. Step 4: Simplify right side
    755,714.19x = 429,199,535,259.55
  5. Step 5: Solve for x
    x = 429,199,535,259.55/755,714.19
  6. Step 6: Final answer
    x = 567,938.97

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Half scale
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Double scale
Find fourth proportional to 755,715.19, 1,042,871.34 and 411,557.14
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.