Home / 1,212,129.60-1,818,194.40-537,950.40

Finding the Fourth Proportional to 1,212,129.60, 1,818,194.40 and 537,950.40

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Solution

The fourth proportional to 1,212,129.60, 1,818,194.40 and 537,950.40 is: 806,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,129.60 : 1,818,194.40 = 537,950.40 : x
  2. Step 2: Convert to fraction form
    1,212,129.60/1,818,194.40 = 537,950.40/x
  3. Step 3: Cross multiply
    1,212,129.60x = 1,818,194.40 × 537,950.40
  4. Step 4: Simplify right side
    1,212,129.60x = 978,098,404,757.76
  5. Step 5: Solve for x
    x = 978,098,404,757.76/1,212,129.60
  6. Step 6: Final answer
    x = 806,925.60

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Double scale
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Similar ratio
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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.