Home / 734,943.01-1,014,249.80-408,280.76

Finding the Fourth Proportional to 734,943.01, 1,014,249.80 and 408,280.76

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Solution

The fourth proportional to 734,943.01, 1,014,249.80 and 408,280.76 is: 563,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,943.01 : 1,014,249.80 = 408,280.76 : x
  2. Step 2: Convert to fraction form
    734,943.01/1,014,249.80 = 408,280.76/x
  3. Step 3: Cross multiply
    734,943.01x = 1,014,249.80 × 408,280.76
  4. Step 4: Simplify right side
    734,943.01x = 414,098,679,173.85
  5. Step 5: Solve for x
    x = 414,098,679,173.85/734,943.01
  6. Step 6: Final answer
    x = 563,443.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.