Home / 1,228,665.41-1,695,485.29-705,255.09

Finding the Fourth Proportional to 1,228,665.41, 1,695,485.29 and 705,255.09

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Solution

The fourth proportional to 1,228,665.41, 1,695,485.29 and 705,255.09 is: 973,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,665.41 : 1,695,485.29 = 705,255.09 : x
  2. Step 2: Convert to fraction form
    1,228,665.41/1,695,485.29 = 705,255.09/x
  3. Step 3: Cross multiply
    1,228,665.41x = 1,695,485.29 × 705,255.09
  4. Step 4: Simplify right side
    1,228,665.41x = 1,195,749,630,792.63
  5. Step 5: Solve for x
    x = 1,195,749,630,792.63/1,228,665.41
  6. Step 6: Final answer
    x = 973,210.14

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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.