Home / 1,010,409.60-1,394,640-580,733.76

Finding the Fourth Proportional to 1,010,409.60, 1,394,640 and 580,733.76

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Solution

The fourth proportional to 1,010,409.60, 1,394,640 and 580,733.76 is: 801,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,409.60 : 1,394,640 = 580,733.76 : x
  2. Step 2: Convert to fraction form
    1,010,409.60/1,394,640 = 580,733.76/x
  3. Step 3: Cross multiply
    1,010,409.60x = 1,394,640 × 580,733.76
  4. Step 4: Simplify right side
    1,010,409.60x = 809,914,531,046.40
  5. Step 5: Solve for x
    x = 809,914,531,046.40/1,010,409.60
  6. Step 6: Final answer
    x = 801,570.50

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1.5x scale

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.