Home / 1,471,221.90-2,030,346-826,640.10

Finding the Fourth Proportional to 1,471,221.90, 2,030,346 and 826,640.10

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Solution

The fourth proportional to 1,471,221.90, 2,030,346 and 826,640.10 is: 1,140,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,221.90 : 2,030,346 = 826,640.10 : x
  2. Step 2: Convert to fraction form
    1,471,221.90/2,030,346 = 826,640.10/x
  3. Step 3: Cross multiply
    1,471,221.90x = 2,030,346 × 826,640.10
  4. Step 4: Simplify right side
    1,471,221.90x = 1,678,365,420,474.60
  5. Step 5: Solve for x
    x = 1,678,365,420,474.60/1,471,221.90
  6. Step 6: Final answer
    x = 1,140,796.93

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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.