Home / 1,518,990.88-2,096,208.32-865,598.40

Finding the Fourth Proportional to 1,518,990.88, 2,096,208.32 and 865,598.40

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Solution

The fourth proportional to 1,518,990.88, 2,096,208.32 and 865,598.40 is: 1,194,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,990.88 : 2,096,208.32 = 865,598.40 : x
  2. Step 2: Convert to fraction form
    1,518,990.88/2,096,208.32 = 865,598.40/x
  3. Step 3: Cross multiply
    1,518,990.88x = 2,096,208.32 × 865,598.40
  4. Step 4: Simplify right side
    1,518,990.88x = 1,814,474,567,858.69
  5. Step 5: Solve for x
    x = 1,814,474,567,858.69/1,518,990.88
  6. Step 6: Final answer
    x = 1,194,526.31

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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.