Home / 648,033.70-972,050.55-293,739.70

Finding the Fourth Proportional to 648,033.70, 972,050.55 and 293,739.70

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Solution

The fourth proportional to 648,033.70, 972,050.55 and 293,739.70 is: 440,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,033.70 : 972,050.55 = 293,739.70 : x
  2. Step 2: Convert to fraction form
    648,033.70/972,050.55 = 293,739.70/x
  3. Step 3: Cross multiply
    648,033.70x = 972,050.55 × 293,739.70
  4. Step 4: Simplify right side
    648,033.70x = 285,529,836,941.84
  5. Step 5: Solve for x
    x = 285,529,836,941.84/648,033.70
  6. Step 6: Final answer
    x = 440,609.55

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Half scale
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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.