Home / 1,220,567.09-1,830,926.75-322,009.69

Finding the Fourth Proportional to 1,220,567.09, 1,830,926.75 and 322,009.69

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Solution

The fourth proportional to 1,220,567.09, 1,830,926.75 and 322,009.69 is: 483,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,567.09 : 1,830,926.75 = 322,009.69 : x
  2. Step 2: Convert to fraction form
    1,220,567.09/1,830,926.75 = 322,009.69/x
  3. Step 3: Cross multiply
    1,220,567.09x = 1,830,926.75 × 322,009.69
  4. Step 4: Simplify right side
    1,220,567.09x = 589,576,144,415.53
  5. Step 5: Solve for x
    x = 589,576,144,415.53/1,220,567.09
  6. Step 6: Final answer
    x = 483,034.61

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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.