Home / 816,917.40-1,225,376.10-606,965.40

Finding the Fourth Proportional to 816,917.40, 1,225,376.10 and 606,965.40

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Solution

The fourth proportional to 816,917.40, 1,225,376.10 and 606,965.40 is: 910,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,917.40 : 1,225,376.10 = 606,965.40 : x
  2. Step 2: Convert to fraction form
    816,917.40/1,225,376.10 = 606,965.40/x
  3. Step 3: Cross multiply
    816,917.40x = 1,225,376.10 × 606,965.40
  4. Step 4: Simplify right side
    816,917.40x = 743,760,894,686.94
  5. Step 5: Solve for x
    x = 743,760,894,686.94/816,917.40
  6. Step 6: Final answer
    x = 910,448.10

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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.