Home / 1,124,400.16-1,685,806.44-414,334.72

Finding the Fourth Proportional to 1,124,400.16, 1,685,806.44 and 414,334.72

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Solution

The fourth proportional to 1,124,400.16, 1,685,806.44 and 414,334.72 is: 621,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,400.16 : 1,685,806.44 = 414,334.72 : x
  2. Step 2: Convert to fraction form
    1,124,400.16/1,685,806.44 = 414,334.72/x
  3. Step 3: Cross multiply
    1,124,400.16x = 1,685,806.44 × 414,334.72
  4. Step 4: Simplify right side
    1,124,400.16x = 698,488,139,291.60
  5. Step 5: Solve for x
    x = 698,488,139,291.60/1,124,400.16
  6. Step 6: Final answer
    x = 621,209.57

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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.