Home / 1,604,905-2,214,768.90-889,513

Finding the Fourth Proportional to 1,604,905, 2,214,768.90 and 889,513

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Solution

The fourth proportional to 1,604,905, 2,214,768.90 and 889,513 is: 1,227,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,905 : 2,214,768.90 = 889,513 : x
  2. Step 2: Convert to fraction form
    1,604,905/2,214,768.90 = 889,513/x
  3. Step 3: Cross multiply
    1,604,905x = 2,214,768.90 × 889,513
  4. Step 4: Simplify right side
    1,604,905x = 1,970,065,728,545.70
  5. Step 5: Solve for x
    x = 1,970,065,728,545.70/1,604,905
  6. Step 6: Final answer
    x = 1,227,527.94

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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.