Home / 741,214.18-1,022,985.30-469,307.38

Finding the Fourth Proportional to 741,214.18, 1,022,985.30 and 469,307.38

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Solution

The fourth proportional to 741,214.18, 1,022,985.30 and 469,307.38 is: 647,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,214.18 : 1,022,985.30 = 469,307.38 : x
  2. Step 2: Convert to fraction form
    741,214.18/1,022,985.30 = 469,307.38/x
  3. Step 3: Cross multiply
    741,214.18x = 1,022,985.30 × 469,307.38
  4. Step 4: Simplify right side
    741,214.18x = 480,094,550,921.51
  5. Step 5: Solve for x
    x = 480,094,550,921.51/741,214.18
  6. Step 6: Final answer
    x = 647,713.66

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Double scale
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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.