Home / 1,332,695.60-1,999,041.86-434,135.90

Finding the Fourth Proportional to 1,332,695.60, 1,999,041.86 and 434,135.90

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Solution

The fourth proportional to 1,332,695.60, 1,999,041.86 and 434,135.90 is: 651,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,695.60 : 1,999,041.86 = 434,135.90 : x
  2. Step 2: Convert to fraction form
    1,332,695.60/1,999,041.86 = 434,135.90/x
  3. Step 3: Cross multiply
    1,332,695.60x = 1,999,041.86 × 434,135.90
  4. Step 4: Simplify right side
    1,332,695.60x = 867,855,843,111.72
  5. Step 5: Solve for x
    x = 867,855,843,111.72/1,332,695.60
  6. Step 6: Final answer
    x = 651,203.35

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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.