Home / 1,170,077.40-1,755,699.30-665,026.20

Finding the Fourth Proportional to 1,170,077.40, 1,755,699.30 and 665,026.20

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Solution

The fourth proportional to 1,170,077.40, 1,755,699.30 and 665,026.20 is: 997,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,077.40 : 1,755,699.30 = 665,026.20 : x
  2. Step 2: Convert to fraction form
    1,170,077.40/1,755,699.30 = 665,026.20/x
  3. Step 3: Cross multiply
    1,170,077.40x = 1,755,699.30 × 665,026.20
  4. Step 4: Simplify right side
    1,170,077.40x = 1,167,586,033,821.66
  5. Step 5: Solve for x
    x = 1,167,586,033,821.66/1,170,077.40
  6. Step 6: Final answer
    x = 997,870.77

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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.