Home / 1,047,855.72-1,572,393.48-440,600.09

Finding the Fourth Proportional to 1,047,855.72, 1,572,393.48 and 440,600.09

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Solution

The fourth proportional to 1,047,855.72, 1,572,393.48 and 440,600.09 is: 661,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,855.72 : 1,572,393.48 = 440,600.09 : x
  2. Step 2: Convert to fraction form
    1,047,855.72/1,572,393.48 = 440,600.09/x
  3. Step 3: Cross multiply
    1,047,855.72x = 1,572,393.48 × 440,600.09
  4. Step 4: Simplify right side
    1,047,855.72x = 692,796,708,803.41
  5. Step 5: Solve for x
    x = 692,796,708,803.41/1,047,855.72
  6. Step 6: Final answer
    x = 661,156.58

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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.