Home / 917,206.05-1,265,861.14-554,632.51

Finding the Fourth Proportional to 917,206.05, 1,265,861.14 and 554,632.51

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Solution

The fourth proportional to 917,206.05, 1,265,861.14 and 554,632.51 is: 765,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,206.05 : 1,265,861.14 = 554,632.51 : x
  2. Step 2: Convert to fraction form
    917,206.05/1,265,861.14 = 554,632.51/x
  3. Step 3: Cross multiply
    917,206.05x = 1,265,861.14 × 554,632.51
  4. Step 4: Simplify right side
    917,206.05x = 702,087,738,918.30
  5. Step 5: Solve for x
    x = 702,087,738,918.30/917,206.05
  6. Step 6: Final answer
    x = 765,463.48

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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.