Home / 1,105,904.81-1,525,840.23-713,271.63

Finding the Fourth Proportional to 1,105,904.81, 1,525,840.23 and 713,271.63

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Solution

The fourth proportional to 1,105,904.81, 1,525,840.23 and 713,271.63 is: 984,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,904.81 : 1,525,840.23 = 713,271.63 : x
  2. Step 2: Convert to fraction form
    1,105,904.81/1,525,840.23 = 713,271.63/x
  3. Step 3: Cross multiply
    1,105,904.81x = 1,525,840.23 × 713,271.63
  4. Step 4: Simplify right side
    1,105,904.81x = 1,088,338,547,971.68
  5. Step 5: Solve for x
    x = 1,088,338,547,971.68/1,105,904.81
  6. Step 6: Final answer
    x = 984,115.94

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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.