Home / 816,085.30-1,221,363.15-816,085.30

Finding the Fourth Proportional to 816,085.30, 1,221,363.15 and 816,085.30

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Solution

The fourth proportional to 816,085.30, 1,221,363.15 and 816,085.30 is: 1,221,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,085.30 : 1,221,363.15 = 816,085.30 : x
  2. Step 2: Convert to fraction form
    816,085.30/1,221,363.15 = 816,085.30/x
  3. Step 3: Cross multiply
    816,085.30x = 1,221,363.15 × 816,085.30
  4. Step 4: Simplify right side
    816,085.30x = 996,736,512,676.70
  5. Step 5: Solve for x
    x = 996,736,512,676.70/816,085.30
  6. Step 6: Final answer
    x = 1,221,363.15

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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.