Home / 1,455,586.40-2,182,990.80-444,706.40

Finding the Fourth Proportional to 1,455,586.40, 2,182,990.80 and 444,706.40

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Solution

The fourth proportional to 1,455,586.40, 2,182,990.80 and 444,706.40 is: 666,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,586.40 : 2,182,990.80 = 444,706.40 : x
  2. Step 2: Convert to fraction form
    1,455,586.40/2,182,990.80 = 444,706.40/x
  3. Step 3: Cross multiply
    1,455,586.40x = 2,182,990.80 × 444,706.40
  4. Step 4: Simplify right side
    1,455,586.40x = 970,789,979,901.12
  5. Step 5: Solve for x
    x = 970,789,979,901.12/1,455,586.40
  6. Step 6: Final answer
    x = 666,940.81

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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.