Home / 1,072,897.82-1,609,348.89-399,126.86

Finding the Fourth Proportional to 1,072,897.82, 1,609,348.89 and 399,126.86

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Solution

The fourth proportional to 1,072,897.82, 1,609,348.89 and 399,126.86 is: 598,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,897.82 : 1,609,348.89 = 399,126.86 : x
  2. Step 2: Convert to fraction form
    1,072,897.82/1,609,348.89 = 399,126.86/x
  3. Step 3: Cross multiply
    1,072,897.82x = 1,609,348.89 × 399,126.86
  4. Step 4: Simplify right side
    1,072,897.82x = 642,334,369,110.19
  5. Step 5: Solve for x
    x = 642,334,369,110.19/1,072,897.82
  6. Step 6: Final answer
    x = 598,691.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.