Home / 1,289,634.56-1,931,501.81-616,189.22

Finding the Fourth Proportional to 1,289,634.56, 1,931,501.81 and 616,189.22

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Solution

The fourth proportional to 1,289,634.56, 1,931,501.81 and 616,189.22 is: 922,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,634.56 : 1,931,501.81 = 616,189.22 : x
  2. Step 2: Convert to fraction form
    1,289,634.56/1,931,501.81 = 616,189.22/x
  3. Step 3: Cross multiply
    1,289,634.56x = 1,931,501.81 × 616,189.22
  4. Step 4: Simplify right side
    1,289,634.56x = 1,190,170,585,615.45
  5. Step 5: Solve for x
    x = 1,190,170,585,615.45/1,289,634.56
  6. Step 6: Final answer
    x = 922,874.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.