Home / 1,186,021.01-1,778,185.86-554,590.37

Finding the Fourth Proportional to 1,186,021.01, 1,778,185.86 and 554,590.37

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Solution

The fourth proportional to 1,186,021.01, 1,778,185.86 and 554,590.37 is: 831,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,021.01 : 1,778,185.86 = 554,590.37 : x
  2. Step 2: Convert to fraction form
    1,186,021.01/1,778,185.86 = 554,590.37/x
  3. Step 3: Cross multiply
    1,186,021.01x = 1,778,185.86 × 554,590.37
  4. Step 4: Simplify right side
    1,186,021.01x = 986,164,745,135.24
  5. Step 5: Solve for x
    x = 986,164,745,135.24/1,186,021.01
  6. Step 6: Final answer
    x = 831,490.12

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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.