Home / 598,853.40-898,280.10-266,429.40

Finding the Fourth Proportional to 598,853.40, 898,280.10 and 266,429.40

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Solution

The fourth proportional to 598,853.40, 898,280.10 and 266,429.40 is: 399,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,853.40 : 898,280.10 = 266,429.40 : x
  2. Step 2: Convert to fraction form
    598,853.40/898,280.10 = 266,429.40/x
  3. Step 3: Cross multiply
    598,853.40x = 898,280.10 × 266,429.40
  4. Step 4: Simplify right side
    598,853.40x = 239,328,228,074.94
  5. Step 5: Solve for x
    x = 239,328,228,074.94/598,853.40
  6. Step 6: Final answer
    x = 399,644.10

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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.