Home / 816,006.84-1,126,067.08-453,421.36

Finding the Fourth Proportional to 816,006.84, 1,126,067.08 and 453,421.36

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Solution

The fourth proportional to 816,006.84, 1,126,067.08 and 453,421.36 is: 625,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,006.84 : 1,126,067.08 = 453,421.36 : x
  2. Step 2: Convert to fraction form
    816,006.84/1,126,067.08 = 453,421.36/x
  3. Step 3: Cross multiply
    816,006.84x = 1,126,067.08 × 453,421.36
  4. Step 4: Simplify right side
    816,006.84x = 510,582,866,864.83
  5. Step 5: Solve for x
    x = 510,582,866,864.83/816,006.84
  6. Step 6: Final answer
    x = 625,709.05

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1.5x scale

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.