Home / 1,122,504.32-1,684,420.77-413,030.58

Finding the Fourth Proportional to 1,122,504.32, 1,684,420.77 and 413,030.58

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Solution

The fourth proportional to 1,122,504.32, 1,684,420.77 and 413,030.58 is: 619,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,504.32 : 1,684,420.77 = 413,030.58 : x
  2. Step 2: Convert to fraction form
    1,122,504.32/1,684,420.77 = 413,030.58/x
  3. Step 3: Cross multiply
    1,122,504.32x = 1,684,420.77 × 413,030.58
  4. Step 4: Simplify right side
    1,122,504.32x = 695,717,287,597.15
  5. Step 5: Solve for x
    x = 695,717,287,597.15/1,122,504.32
  6. Step 6: Final answer
    x = 619,790.30

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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.