Home / 1,229,000.04-1,695,933.45-685,111.77

Finding the Fourth Proportional to 1,229,000.04, 1,695,933.45 and 685,111.77

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Solution

The fourth proportional to 1,229,000.04, 1,695,933.45 and 685,111.77 is: 945,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,000.04 : 1,695,933.45 = 685,111.77 : x
  2. Step 2: Convert to fraction form
    1,229,000.04/1,695,933.45 = 685,111.77/x
  3. Step 3: Cross multiply
    1,229,000.04x = 1,695,933.45 × 685,111.77
  4. Step 4: Simplify right side
    1,229,000.04x = 1,161,903,967,731.71
  5. Step 5: Solve for x
    x = 1,161,903,967,731.71/1,229,000.04
  6. Step 6: Final answer
    x = 945,405.96

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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.