Home / 805,280.10-1,206,883.35-617,360.10

Finding the Fourth Proportional to 805,280.10, 1,206,883.35 and 617,360.10

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Solution

The fourth proportional to 805,280.10, 1,206,883.35 and 617,360.10 is: 925,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,280.10 : 1,206,883.35 = 617,360.10 : x
  2. Step 2: Convert to fraction form
    805,280.10/1,206,883.35 = 617,360.10/x
  3. Step 3: Cross multiply
    805,280.10x = 1,206,883.35 × 617,360.10
  4. Step 4: Simplify right side
    805,280.10x = 745,081,625,644.34
  5. Step 5: Solve for x
    x = 745,081,625,644.34/805,280.10
  6. Step 6: Final answer
    x = 925,245.30

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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.