Home / 816,506.73-1,126,715.49-453,908.52

Finding the Fourth Proportional to 816,506.73, 1,126,715.49 and 453,908.52

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Solution

The fourth proportional to 816,506.73, 1,126,715.49 and 453,908.52 is: 626,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,506.73 : 1,126,715.49 = 453,908.52 : x
  2. Step 2: Convert to fraction form
    816,506.73/1,126,715.49 = 453,908.52/x
  3. Step 3: Cross multiply
    816,506.73x = 1,126,715.49 × 453,908.52
  4. Step 4: Simplify right side
    816,506.73x = 511,425,760,526.98
  5. Step 5: Solve for x
    x = 511,425,760,526.98/816,506.73
  6. Step 6: Final answer
    x = 626,358.29

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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.