Home / 814,125.29-1,219,646.53-543,437.23

Finding the Fourth Proportional to 814,125.29, 1,219,646.53 and 543,437.23

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Solution

The fourth proportional to 814,125.29, 1,219,646.53 and 543,437.23 is: 814,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,125.29 : 1,219,646.53 = 543,437.23 : x
  2. Step 2: Convert to fraction form
    814,125.29/1,219,646.53 = 543,437.23/x
  3. Step 3: Cross multiply
    814,125.29x = 1,219,646.53 × 543,437.23
  4. Step 4: Simplify right side
    814,125.29x = 662,801,327,434.60
  5. Step 5: Solve for x
    x = 662,801,327,434.60/814,125.29
  6. Step 6: Final answer
    x = 814,126.93

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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.