Home / 1,409,724.20-2,114,586.30-344,776.70

Finding the Fourth Proportional to 1,409,724.20, 2,114,586.30 and 344,776.70

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Solution

The fourth proportional to 1,409,724.20, 2,114,586.30 and 344,776.70 is: 517,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,724.20 : 2,114,586.30 = 344,776.70 : x
  2. Step 2: Convert to fraction form
    1,409,724.20/2,114,586.30 = 344,776.70/x
  3. Step 3: Cross multiply
    1,409,724.20x = 2,114,586.30 × 344,776.70
  4. Step 4: Simplify right side
    1,409,724.20x = 729,060,086,379.21
  5. Step 5: Solve for x
    x = 729,060,086,379.21/1,409,724.20
  6. Step 6: Final answer
    x = 517,165.05

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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.