Home / 881,161.40-1,319,117.70-525,992.60

Finding the Fourth Proportional to 881,161.40, 1,319,117.70 and 525,992.60

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Solution

The fourth proportional to 881,161.40, 1,319,117.70 and 525,992.60 is: 787,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,161.40 : 1,319,117.70 = 525,992.60 : x
  2. Step 2: Convert to fraction form
    881,161.40/1,319,117.70 = 525,992.60/x
  3. Step 3: Cross multiply
    881,161.40x = 1,319,117.70 × 525,992.60
  4. Step 4: Simplify right side
    881,161.40x = 693,846,148,729.02
  5. Step 5: Solve for x
    x = 693,846,148,729.02/881,161.40
  6. Step 6: Final answer
    x = 787,422.31

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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.