Home / 1,420,384.69-1,960,230.95-808,537.74

Finding the Fourth Proportional to 1,420,384.69, 1,960,230.95 and 808,537.74

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Solution

The fourth proportional to 1,420,384.69, 1,960,230.95 and 808,537.74 is: 1,115,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,384.69 : 1,960,230.95 = 808,537.74 : x
  2. Step 2: Convert to fraction form
    1,420,384.69/1,960,230.95 = 808,537.74/x
  3. Step 3: Cross multiply
    1,420,384.69x = 1,960,230.95 × 808,537.74
  4. Step 4: Simplify right side
    1,420,384.69x = 1,584,920,702,191.05
  5. Step 5: Solve for x
    x = 1,584,920,702,191.05/1,420,384.69
  6. Step 6: Final answer
    x = 1,115,839.05

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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.