Home / 1,055,624.70-1,583,437.21-256,906.23

Finding the Fourth Proportional to 1,055,624.70, 1,583,437.21 and 256,906.23

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Solution

The fourth proportional to 1,055,624.70, 1,583,437.21 and 256,906.23 is: 385,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,624.70 : 1,583,437.21 = 256,906.23 : x
  2. Step 2: Convert to fraction form
    1,055,624.70/1,583,437.21 = 256,906.23/x
  3. Step 3: Cross multiply
    1,055,624.70x = 1,583,437.21 × 256,906.23
  4. Step 4: Simplify right side
    1,055,624.70x = 406,794,886,389.50
  5. Step 5: Solve for x
    x = 406,794,886,389.50/1,055,624.70
  6. Step 6: Final answer
    x = 385,359.38

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Double scale
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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.