Home / 969,681.35-1,454,522.00-457,227.21

Finding the Fourth Proportional to 969,681.35, 1,454,522.00 and 457,227.21

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Solution

The fourth proportional to 969,681.35, 1,454,522.00 and 457,227.21 is: 685,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,681.35 : 1,454,522.00 = 457,227.21 : x
  2. Step 2: Convert to fraction form
    969,681.35/1,454,522.00 = 457,227.21/x
  3. Step 3: Cross multiply
    969,681.35x = 1,454,522.00 × 457,227.21
  4. Step 4: Simplify right side
    969,681.35x = 665,047,039,111.94
  5. Step 5: Solve for x
    x = 665,047,039,111.94/969,681.35
  6. Step 6: Final answer
    x = 685,840.80

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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.