Home / 1,086,111.08-1,629,385.10-376,123.40

Finding the Fourth Proportional to 1,086,111.08, 1,629,385.10 and 376,123.40

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Solution

The fourth proportional to 1,086,111.08, 1,629,385.10 and 376,123.40 is: 564,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,111.08 : 1,629,385.10 = 376,123.40 : x
  2. Step 2: Convert to fraction form
    1,086,111.08/1,629,385.10 = 376,123.40/x
  3. Step 3: Cross multiply
    1,086,111.08x = 1,629,385.10 × 376,123.40
  4. Step 4: Simplify right side
    1,086,111.08x = 612,849,863,721.34
  5. Step 5: Solve for x
    x = 612,849,863,721.34/1,086,111.08
  6. Step 6: Final answer
    x = 564,260.76

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Double scale
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1.5x scale

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.