Home / 881,696.40-1,319,920.20-526,527.60

Finding the Fourth Proportional to 881,696.40, 1,319,920.20 and 526,527.60

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Solution

The fourth proportional to 881,696.40, 1,319,920.20 and 526,527.60 is: 788,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,696.40 : 1,319,920.20 = 526,527.60 : x
  2. Step 2: Convert to fraction form
    881,696.40/1,319,920.20 = 526,527.60/x
  3. Step 3: Cross multiply
    881,696.40x = 1,319,920.20 × 526,527.60
  4. Step 4: Simplify right side
    881,696.40x = 694,974,415,097.52
  5. Step 5: Solve for x
    x = 694,974,415,097.52/881,696.40
  6. Step 6: Final answer
    x = 788,224.17

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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.