Home / 1,105,567.86-1,525,678.80-622,141.08

Finding the Fourth Proportional to 1,105,567.86, 1,525,678.80 and 622,141.08

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Solution

The fourth proportional to 1,105,567.86, 1,525,678.80 and 622,141.08 is: 858,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,567.86 : 1,525,678.80 = 622,141.08 : x
  2. Step 2: Convert to fraction form
    1,105,567.86/1,525,678.80 = 622,141.08/x
  3. Step 3: Cross multiply
    1,105,567.86x = 1,525,678.80 × 622,141.08
  4. Step 4: Simplify right side
    1,105,567.86x = 949,187,456,365.10
  5. Step 5: Solve for x
    x = 949,187,456,365.10/1,105,567.86
  6. Step 6: Final answer
    x = 858,551.96

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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.