Home / 814,437.56-1,123,953.89-492,085.37

Finding the Fourth Proportional to 814,437.56, 1,123,953.89 and 492,085.37

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Solution

The fourth proportional to 814,437.56, 1,123,953.89 and 492,085.37 is: 679,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,437.56 : 1,123,953.89 = 492,085.37 : x
  2. Step 2: Convert to fraction form
    814,437.56/1,123,953.89 = 492,085.37/x
  3. Step 3: Cross multiply
    814,437.56x = 1,123,953.89 × 492,085.37
  4. Step 4: Simplify right side
    814,437.56x = 553,081,266,173.05
  5. Step 5: Solve for x
    x = 553,081,266,173.05/814,437.56
  6. Step 6: Final answer
    x = 679,095.97

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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.