Home / 1,105,578-1,525,703.76-622,151.28

Finding the Fourth Proportional to 1,105,578, 1,525,703.76 and 622,151.28

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Solution

The fourth proportional to 1,105,578, 1,525,703.76 and 622,151.28 is: 858,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,578 : 1,525,703.76 = 622,151.28 : x
  2. Step 2: Convert to fraction form
    1,105,578/1,525,703.76 = 622,151.28/x
  3. Step 3: Cross multiply
    1,105,578x = 1,525,703.76 × 622,151.28
  4. Step 4: Simplify right side
    1,105,578x = 949,218,547,184.81
  5. Step 5: Solve for x
    x = 949,218,547,184.81/1,105,578
  6. Step 6: Final answer
    x = 858,572.21

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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.