Home / 616,949.19-851,196.20-344,980.35

Finding the Fourth Proportional to 616,949.19, 851,196.20 and 344,980.35

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Solution

The fourth proportional to 616,949.19, 851,196.20 and 344,980.35 is: 475,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,949.19 : 851,196.20 = 344,980.35 : x
  2. Step 2: Convert to fraction form
    616,949.19/851,196.20 = 344,980.35/x
  3. Step 3: Cross multiply
    616,949.19x = 851,196.20 × 344,980.35
  4. Step 4: Simplify right side
    616,949.19x = 293,645,961,269.77
  5. Step 5: Solve for x
    x = 293,645,961,269.77/616,949.19
  6. Step 6: Final answer
    x = 475,964.58

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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.