Home / 1,643,724.64-2,266,871.52-1,031,934.48

Finding the Fourth Proportional to 1,643,724.64, 2,266,871.52 and 1,031,934.48

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Solution

The fourth proportional to 1,643,724.64, 2,266,871.52 and 1,031,934.48 is: 1,423,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,724.64 : 2,266,871.52 = 1,031,934.48 : x
  2. Step 2: Convert to fraction form
    1,643,724.64/2,266,871.52 = 1,031,934.48/x
  3. Step 3: Cross multiply
    1,643,724.64x = 2,266,871.52 × 1,031,934.48
  4. Step 4: Simplify right side
    1,643,724.64x = 2,339,262,883,218.01
  5. Step 5: Solve for x
    x = 2,339,262,883,218.01/1,643,724.64
  6. Step 6: Final answer
    x = 1,423,147.66

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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.