Home / 905,968.39-1,355,995.48-666,018.76

Finding the Fourth Proportional to 905,968.39, 1,355,995.48 and 666,018.76

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Solution

The fourth proportional to 905,968.39, 1,355,995.48 and 666,018.76 is: 996,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,968.39 : 1,355,995.48 = 666,018.76 : x
  2. Step 2: Convert to fraction form
    905,968.39/1,355,995.48 = 666,018.76/x
  3. Step 3: Cross multiply
    905,968.39x = 1,355,995.48 × 666,018.76
  4. Step 4: Simplify right side
    905,968.39x = 903,118,431,641.74
  5. Step 5: Solve for x
    x = 903,118,431,641.74/905,968.39
  6. Step 6: Final answer
    x = 996,854.24

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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.