Home / 755,566.20-1,042,700.04-411,420.98

Finding the Fourth Proportional to 755,566.20, 1,042,700.04 and 411,420.98

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Solution

The fourth proportional to 755,566.20, 1,042,700.04 and 411,420.98 is: 567,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,566.20 : 1,042,700.04 = 411,420.98 : x
  2. Step 2: Convert to fraction form
    755,566.20/1,042,700.04 = 411,420.98/x
  3. Step 3: Cross multiply
    755,566.20x = 1,042,700.04 × 411,420.98
  4. Step 4: Simplify right side
    755,566.20x = 428,988,667,089.34
  5. Step 5: Solve for x
    x = 428,988,667,089.34/755,566.20
  6. Step 6: Final answer
    x = 567,771.12

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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.