Home / 1,357,501.20-2,036,694.66-647,436.96

Finding the Fourth Proportional to 1,357,501.20, 2,036,694.66 and 647,436.96

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Solution

The fourth proportional to 1,357,501.20, 2,036,694.66 and 647,436.96 is: 971,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,501.20 : 2,036,694.66 = 647,436.96 : x
  2. Step 2: Convert to fraction form
    1,357,501.20/2,036,694.66 = 647,436.96/x
  3. Step 3: Cross multiply
    1,357,501.20x = 2,036,694.66 × 647,436.96
  4. Step 4: Simplify right side
    1,357,501.20x = 1,318,631,399,118.63
  5. Step 5: Solve for x
    x = 1,318,631,399,118.63/1,357,501.20
  6. Step 6: Final answer
    x = 971,366.65

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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.