Home / 1,105,904.31-1,525,839.54-713,271.13

Finding the Fourth Proportional to 1,105,904.31, 1,525,839.54 and 713,271.13

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Solution

The fourth proportional to 1,105,904.31, 1,525,839.54 and 713,271.13 is: 984,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,904.31 : 1,525,839.54 = 713,271.13 : x
  2. Step 2: Convert to fraction form
    1,105,904.31/1,525,839.54 = 713,271.13/x
  3. Step 3: Cross multiply
    1,105,904.31x = 1,525,839.54 × 713,271.13
  4. Step 4: Simplify right side
    1,105,904.31x = 1,088,337,289,328.12
  5. Step 5: Solve for x
    x = 1,088,337,289,328.12/1,105,904.31
  6. Step 6: Final answer
    x = 984,115.24

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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.