Home / 906,667.70-1,360,001.55-545,861.30

Finding the Fourth Proportional to 906,667.70, 1,360,001.55 and 545,861.30

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Solution

The fourth proportional to 906,667.70, 1,360,001.55 and 545,861.30 is: 818,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,667.70 : 1,360,001.55 = 545,861.30 : x
  2. Step 2: Convert to fraction form
    906,667.70/1,360,001.55 = 545,861.30/x
  3. Step 3: Cross multiply
    906,667.70x = 1,360,001.55 × 545,861.30
  4. Step 4: Simplify right side
    906,667.70x = 742,372,214,085.02
  5. Step 5: Solve for x
    x = 742,372,214,085.02/906,667.70
  6. Step 6: Final answer
    x = 818,791.95

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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.