Home / 1,040,788-1,436,289.84-581,918.92

Finding the Fourth Proportional to 1,040,788, 1,436,289.84 and 581,918.92

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Solution

The fourth proportional to 1,040,788, 1,436,289.84 and 581,918.92 is: 803,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,788 : 1,436,289.84 = 581,918.92 : x
  2. Step 2: Convert to fraction form
    1,040,788/1,436,289.84 = 581,918.92/x
  3. Step 3: Cross multiply
    1,040,788x = 1,436,289.84 × 581,918.92
  4. Step 4: Simplify right side
    1,040,788x = 835,804,232,499.77
  5. Step 5: Solve for x
    x = 835,804,232,499.77/1,040,788
  6. Step 6: Final answer
    x = 803,049.45

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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.