Home / 1,318,573.52-1,819,632.48-714,961.52

Finding the Fourth Proportional to 1,318,573.52, 1,819,632.48 and 714,961.52

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Solution

The fourth proportional to 1,318,573.52, 1,819,632.48 and 714,961.52 is: 986,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,573.52 : 1,819,632.48 = 714,961.52 : x
  2. Step 2: Convert to fraction form
    1,318,573.52/1,819,632.48 = 714,961.52/x
  3. Step 3: Cross multiply
    1,318,573.52x = 1,819,632.48 × 714,961.52
  4. Step 4: Simplify right side
    1,318,573.52x = 1,300,967,203,742.17
  5. Step 5: Solve for x
    x = 1,300,967,203,742.17/1,318,573.52
  6. Step 6: Final answer
    x = 986,647.45

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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.