Home / 1,021,828.86-1,410,234.65-562,990.49

Finding the Fourth Proportional to 1,021,828.86, 1,410,234.65 and 562,990.49

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Solution

The fourth proportional to 1,021,828.86, 1,410,234.65 and 562,990.49 is: 776,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,828.86 : 1,410,234.65 = 562,990.49 : x
  2. Step 2: Convert to fraction form
    1,021,828.86/1,410,234.65 = 562,990.49/x
  3. Step 3: Cross multiply
    1,021,828.86x = 1,410,234.65 × 562,990.49
  4. Step 4: Simplify right side
    1,021,828.86x = 793,948,686,752.35
  5. Step 5: Solve for x
    x = 793,948,686,752.35/1,021,828.86
  6. Step 6: Final answer
    x = 776,987.93

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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.