Home / 923,840.19-1,265,639.91-889,300.13

Finding the Fourth Proportional to 923,840.19, 1,265,639.91 and 889,300.13

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Solution

The fourth proportional to 923,840.19, 1,265,639.91 and 889,300.13 is: 1,218,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,840.19 : 1,265,639.91 = 889,300.13 : x
  2. Step 2: Convert to fraction form
    923,840.19/1,265,639.91 = 889,300.13/x
  3. Step 3: Cross multiply
    923,840.19x = 1,265,639.91 × 889,300.13
  4. Step 4: Simplify right side
    923,840.19x = 1,125,533,730,167.99
  5. Step 5: Solve for x
    x = 1,125,533,730,167.99/923,840.19
  6. Step 6: Final answer
    x = 1,218,320.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.