Home / 1,577,455.71-2,366,582.72-440,217.78

Finding the Fourth Proportional to 1,577,455.71, 2,366,582.72 and 440,217.78

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Solution

The fourth proportional to 1,577,455.71, 2,366,582.72 and 440,217.78 is: 660,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,455.71 : 2,366,582.72 = 440,217.78 : x
  2. Step 2: Convert to fraction form
    1,577,455.71/2,366,582.72 = 440,217.78/x
  3. Step 3: Cross multiply
    1,577,455.71x = 2,366,582.72 × 440,217.78
  4. Step 4: Simplify right side
    1,577,455.71x = 1,041,811,788,983.67
  5. Step 5: Solve for x
    x = 1,041,811,788,983.67/1,577,455.71
  6. Step 6: Final answer
    x = 660,438.06

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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.