Home / 1,111,176.40-1,533,675.04-628,021.80

Finding the Fourth Proportional to 1,111,176.40, 1,533,675.04 and 628,021.80

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Solution

The fourth proportional to 1,111,176.40, 1,533,675.04 and 628,021.80 is: 866,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,176.40 : 1,533,675.04 = 628,021.80 : x
  2. Step 2: Convert to fraction form
    1,111,176.40/1,533,675.04 = 628,021.80/x
  3. Step 3: Cross multiply
    1,111,176.40x = 1,533,675.04 × 628,021.80
  4. Step 4: Simplify right side
    1,111,176.40x = 963,181,359,235.87
  5. Step 5: Solve for x
    x = 963,181,359,235.87/1,111,176.40
  6. Step 6: Final answer
    x = 866,812.29

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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.