Home / 1,010,127.12-1,394,214-580,656.40

Finding the Fourth Proportional to 1,010,127.12, 1,394,214 and 580,656.40

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Solution

The fourth proportional to 1,010,127.12, 1,394,214 and 580,656.40 is: 801,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,127.12 : 1,394,214 = 580,656.40 : x
  2. Step 2: Convert to fraction form
    1,010,127.12/1,394,214 = 580,656.40/x
  3. Step 3: Cross multiply
    1,010,127.12x = 1,394,214 × 580,656.40
  4. Step 4: Simplify right side
    1,010,127.12x = 809,559,282,069.60
  5. Step 5: Solve for x
    x = 809,559,282,069.60/1,010,127.12
  6. Step 6: Final answer
    x = 801,442.97

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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.