Home / 1,111,036.88-1,533,226.13-621,005.71

Finding the Fourth Proportional to 1,111,036.88, 1,533,226.13 and 621,005.71

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Solution

The fourth proportional to 1,111,036.88, 1,533,226.13 and 621,005.71 is: 856,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,036.88 : 1,533,226.13 = 621,005.71 : x
  2. Step 2: Convert to fraction form
    1,111,036.88/1,533,226.13 = 621,005.71/x
  3. Step 3: Cross multiply
    1,111,036.88x = 1,533,226.13 × 621,005.71
  4. Step 4: Simplify right side
    1,111,036.88x = 952,142,170,680.04
  5. Step 5: Solve for x
    x = 952,142,170,680.04/1,111,036.88
  6. Step 6: Final answer
    x = 856,985.21

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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.