Home / 1,143,005.14-1,577,364.87-626,806.16

Finding the Fourth Proportional to 1,143,005.14, 1,577,364.87 and 626,806.16

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Solution

The fourth proportional to 1,143,005.14, 1,577,364.87 and 626,806.16 is: 865,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,005.14 : 1,577,364.87 = 626,806.16 : x
  2. Step 2: Convert to fraction form
    1,143,005.14/1,577,364.87 = 626,806.16/x
  3. Step 3: Cross multiply
    1,143,005.14x = 1,577,364.87 × 626,806.16
  4. Step 4: Simplify right side
    1,143,005.14x = 988,702,014,391.91
  5. Step 5: Solve for x
    x = 988,702,014,391.91/1,143,005.14
  6. Step 6: Final answer
    x = 865,002.25

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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.