Home / 1,111,448.88-1,533,779.47-628,003.65

Finding the Fourth Proportional to 1,111,448.88, 1,533,779.47 and 628,003.65

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Solution

The fourth proportional to 1,111,448.88, 1,533,779.47 and 628,003.65 is: 866,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,448.88 : 1,533,779.47 = 628,003.65 : x
  2. Step 2: Convert to fraction form
    1,111,448.88/1,533,779.47 = 628,003.65/x
  3. Step 3: Cross multiply
    1,111,448.88x = 1,533,779.47 × 628,003.65
  4. Step 4: Simplify right side
    1,111,448.88x = 963,219,105,455.07
  5. Step 5: Solve for x
    x = 963,219,105,455.07/1,111,448.88
  6. Step 6: Final answer
    x = 866,633.75

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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.