Home / 1,143,567.56-1,578,144.27-627,347.81

Finding the Fourth Proportional to 1,143,567.56, 1,578,144.27 and 627,347.81

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Solution

The fourth proportional to 1,143,567.56, 1,578,144.27 and 627,347.81 is: 865,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,567.56 : 1,578,144.27 = 627,347.81 : x
  2. Step 2: Convert to fraction form
    1,143,567.56/1,578,144.27 = 627,347.81/x
  3. Step 3: Cross multiply
    1,143,567.56x = 1,578,144.27 × 627,347.81
  4. Step 4: Simplify right side
    1,143,567.56x = 990,045,343,757.83
  5. Step 5: Solve for x
    x = 990,045,343,757.83/1,143,567.56
  6. Step 6: Final answer
    x = 865,751.52

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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.