Home / 1,723,302.35-2,376,609.09-1,078,781.30

Finding the Fourth Proportional to 1,723,302.35, 2,376,609.09 and 1,078,781.30

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Solution

The fourth proportional to 1,723,302.35, 2,376,609.09 and 1,078,781.30 is: 1,487,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,302.35 : 2,376,609.09 = 1,078,781.30 : x
  2. Step 2: Convert to fraction form
    1,723,302.35/2,376,609.09 = 1,078,781.30/x
  3. Step 3: Cross multiply
    1,723,302.35x = 2,376,609.09 × 1,078,781.30
  4. Step 4: Simplify right side
    1,723,302.35x = 2,563,841,443,702.02
  5. Step 5: Solve for x
    x = 2,563,841,443,702.02/1,723,302.35
  6. Step 6: Final answer
    x = 1,487,749.06

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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.