Home / 1,021,922.86-1,410,186.03-613,782.17

Finding the Fourth Proportional to 1,021,922.86, 1,410,186.03 and 613,782.17

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Solution

The fourth proportional to 1,021,922.86, 1,410,186.03 and 613,782.17 is: 846,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,922.86 : 1,410,186.03 = 613,782.17 : x
  2. Step 2: Convert to fraction form
    1,021,922.86/1,410,186.03 = 613,782.17/x
  3. Step 3: Cross multiply
    1,021,922.86x = 1,410,186.03 × 613,782.17
  4. Step 4: Simplify right side
    1,021,922.86x = 865,547,041,597.09
  5. Step 5: Solve for x
    x = 865,547,041,597.09/1,021,922.86
  6. Step 6: Final answer
    x = 846,978.84

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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.