Home / 1,105,359.51-1,658,039.67-395,345.10

Finding the Fourth Proportional to 1,105,359.51, 1,658,039.67 and 395,345.10

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Solution

The fourth proportional to 1,105,359.51, 1,658,039.67 and 395,345.10 is: 593,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,359.51 : 1,658,039.67 = 395,345.10 : x
  2. Step 2: Convert to fraction form
    1,105,359.51/1,658,039.67 = 395,345.10/x
  3. Step 3: Cross multiply
    1,105,359.51x = 1,658,039.67 × 395,345.10
  4. Step 4: Simplify right side
    1,105,359.51x = 655,497,859,140.12
  5. Step 5: Solve for x
    x = 655,497,859,140.12/1,105,359.51
  6. Step 6: Final answer
    x = 593,017.79

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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.