Home / 816,098.10-1,225,131.30-456,555.30

Finding the Fourth Proportional to 816,098.10, 1,225,131.30 and 456,555.30

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Solution

The fourth proportional to 816,098.10, 1,225,131.30 and 456,555.30 is: 685,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,098.10 : 1,225,131.30 = 456,555.30 : x
  2. Step 2: Convert to fraction form
    816,098.10/1,225,131.30 = 456,555.30/x
  3. Step 3: Cross multiply
    816,098.10x = 1,225,131.30 × 456,555.30
  4. Step 4: Simplify right side
    816,098.10x = 559,340,188,210.89
  5. Step 5: Solve for x
    x = 559,340,188,210.89/816,098.10
  6. Step 6: Final answer
    x = 685,383.52

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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.