Home / 1,204,689.18-1,662,471-695,391.60

Finding the Fourth Proportional to 1,204,689.18, 1,662,471 and 695,391.60

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Solution

The fourth proportional to 1,204,689.18, 1,662,471 and 695,391.60 is: 959,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,689.18 : 1,662,471 = 695,391.60 : x
  2. Step 2: Convert to fraction form
    1,204,689.18/1,662,471 = 695,391.60/x
  3. Step 3: Cross multiply
    1,204,689.18x = 1,662,471 × 695,391.60
  4. Step 4: Simplify right side
    1,204,689.18x = 1,156,068,368,643.60
  5. Step 5: Solve for x
    x = 1,156,068,368,643.60/1,204,689.18
  6. Step 6: Final answer
    x = 959,640.37

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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.