Home / 1,111,542.82-1,533,909.03-628,097.50

Finding the Fourth Proportional to 1,111,542.82, 1,533,909.03 and 628,097.50

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Solution

The fourth proportional to 1,111,542.82, 1,533,909.03 and 628,097.50 is: 866,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,542.82 : 1,533,909.03 = 628,097.50 : x
  2. Step 2: Convert to fraction form
    1,111,542.82/1,533,909.03 = 628,097.50/x
  3. Step 3: Cross multiply
    1,111,542.82x = 1,533,909.03 × 628,097.50
  4. Step 4: Simplify right side
    1,111,542.82x = 963,444,426,970.43
  5. Step 5: Solve for x
    x = 963,444,426,970.43/1,111,542.82
  6. Step 6: Final answer
    x = 866,763.21

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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.