Home / 1,085,666.10-1,628,499.15-985,938.90

Finding the Fourth Proportional to 1,085,666.10, 1,628,499.15 and 985,938.90

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Solution

The fourth proportional to 1,085,666.10, 1,628,499.15 and 985,938.90 is: 1,478,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,666.10 : 1,628,499.15 = 985,938.90 : x
  2. Step 2: Convert to fraction form
    1,085,666.10/1,628,499.15 = 985,938.90/x
  3. Step 3: Cross multiply
    1,085,666.10x = 1,628,499.15 × 985,938.90
  4. Step 4: Simplify right side
    1,085,666.10x = 1,605,600,660,601.94
  5. Step 5: Solve for x
    x = 1,605,600,660,601.94/1,085,666.10
  6. Step 6: Final answer
    x = 1,478,908.35

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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.