Home / 834,412.01-1,151,511.22-471,890.09

Finding the Fourth Proportional to 834,412.01, 1,151,511.22 and 471,890.09

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Solution

The fourth proportional to 834,412.01, 1,151,511.22 and 471,890.09 is: 651,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,412.01 : 1,151,511.22 = 471,890.09 : x
  2. Step 2: Convert to fraction form
    834,412.01/1,151,511.22 = 471,890.09/x
  3. Step 3: Cross multiply
    834,412.01x = 1,151,511.22 × 471,890.09
  4. Step 4: Simplify right side
    834,412.01x = 543,386,728,074.12
  5. Step 5: Solve for x
    x = 543,386,728,074.12/834,412.01
  6. Step 6: Final answer
    x = 651,221.13

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Double scale
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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.