Home / 1,184,175.52-1,634,175.12-647,620

Finding the Fourth Proportional to 1,184,175.52, 1,634,175.12 and 647,620

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Solution

The fourth proportional to 1,184,175.52, 1,634,175.12 and 647,620 is: 893,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,175.52 : 1,634,175.12 = 647,620 : x
  2. Step 2: Convert to fraction form
    1,184,175.52/1,634,175.12 = 647,620/x
  3. Step 3: Cross multiply
    1,184,175.52x = 1,634,175.12 × 647,620
  4. Step 4: Simplify right side
    1,184,175.52x = 1,058,324,491,214.40
  5. Step 5: Solve for x
    x = 1,058,324,491,214.40/1,184,175.52
  6. Step 6: Final answer
    x = 893,722.66

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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.