Home / 1,053,843.12-1,580,768.70-255,123.36

Finding the Fourth Proportional to 1,053,843.12, 1,580,768.70 and 255,123.36

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Solution

The fourth proportional to 1,053,843.12, 1,580,768.70 and 255,123.36 is: 382,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,843.12 : 1,580,768.70 = 255,123.36 : x
  2. Step 2: Convert to fraction form
    1,053,843.12/1,580,768.70 = 255,123.36/x
  3. Step 3: Cross multiply
    1,053,843.12x = 1,580,768.70 × 255,123.36
  4. Step 4: Simplify right side
    1,053,843.12x = 403,291,022,126.83
  5. Step 5: Solve for x
    x = 403,291,022,126.83/1,053,843.12
  6. Step 6: Final answer
    x = 382,686.01

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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.