Home / 906,141.70-1,359,212.55-433,749.70

Finding the Fourth Proportional to 906,141.70, 1,359,212.55 and 433,749.70

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Solution

The fourth proportional to 906,141.70, 1,359,212.55 and 433,749.70 is: 650,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,141.70 : 1,359,212.55 = 433,749.70 : x
  2. Step 2: Convert to fraction form
    906,141.70/1,359,212.55 = 433,749.70/x
  3. Step 3: Cross multiply
    906,141.70x = 1,359,212.55 × 433,749.70
  4. Step 4: Simplify right side
    906,141.70x = 589,558,035,798.74
  5. Step 5: Solve for x
    x = 589,558,035,798.74/906,141.70
  6. Step 6: Final answer
    x = 650,624.55

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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.