Home / 1,095,459-1,511,723.10-612,107.40

Finding the Fourth Proportional to 1,095,459, 1,511,723.10 and 612,107.40

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Solution

The fourth proportional to 1,095,459, 1,511,723.10 and 612,107.40 is: 844,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,459 : 1,511,723.10 = 612,107.40 : x
  2. Step 2: Convert to fraction form
    1,095,459/1,511,723.10 = 612,107.40/x
  3. Step 3: Cross multiply
    1,095,459x = 1,511,723.10 × 612,107.40
  4. Step 4: Simplify right side
    1,095,459x = 925,336,896,260.94
  5. Step 5: Solve for x
    x = 925,336,896,260.94/1,095,459
  6. Step 6: Final answer
    x = 844,702.45

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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.