Home / 1,175,058-1,621,645.65-665,924.40

Finding the Fourth Proportional to 1,175,058, 1,621,645.65 and 665,924.40

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Solution

The fourth proportional to 1,175,058, 1,621,645.65 and 665,924.40 is: 919,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,058 : 1,621,645.65 = 665,924.40 : x
  2. Step 2: Convert to fraction form
    1,175,058/1,621,645.65 = 665,924.40/x
  3. Step 3: Cross multiply
    1,175,058x = 1,621,645.65 × 665,924.40
  4. Step 4: Simplify right side
    1,175,058x = 1,079,893,406,488.86
  5. Step 5: Solve for x
    x = 1,079,893,406,488.86/1,175,058
  6. Step 6: Final answer
    x = 919,012.85

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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.