Home / 816,834.84-1,127,070.61-494,574.72

Finding the Fourth Proportional to 816,834.84, 1,127,070.61 and 494,574.72

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Solution

The fourth proportional to 816,834.84, 1,127,070.61 and 494,574.72 is: 682,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,834.84 : 1,127,070.61 = 494,574.72 : x
  2. Step 2: Convert to fraction form
    816,834.84/1,127,070.61 = 494,574.72/x
  3. Step 3: Cross multiply
    816,834.84x = 1,127,070.61 × 494,574.72
  4. Step 4: Simplify right side
    816,834.84x = 557,420,631,360.98
  5. Step 5: Solve for x
    x = 557,420,631,360.98/816,834.84
  6. Step 6: Final answer
    x = 682,415.35

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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.