Home / 907,470.80-1,361,206.20-694,894.40

Finding the Fourth Proportional to 907,470.80, 1,361,206.20 and 694,894.40

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Solution

The fourth proportional to 907,470.80, 1,361,206.20 and 694,894.40 is: 1,042,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,470.80 : 1,361,206.20 = 694,894.40 : x
  2. Step 2: Convert to fraction form
    907,470.80/1,361,206.20 = 694,894.40/x
  3. Step 3: Cross multiply
    907,470.80x = 1,361,206.20 × 694,894.40
  4. Step 4: Simplify right side
    907,470.80x = 945,894,565,625.28
  5. Step 5: Solve for x
    x = 945,894,565,625.28/907,470.80
  6. Step 6: Final answer
    x = 1,042,341.60

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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.