Home / 1,137,558.81-1,569,821.54-628,250.25

Finding the Fourth Proportional to 1,137,558.81, 1,569,821.54 and 628,250.25

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Solution

The fourth proportional to 1,137,558.81, 1,569,821.54 and 628,250.25 is: 866,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,558.81 : 1,569,821.54 = 628,250.25 : x
  2. Step 2: Convert to fraction form
    1,137,558.81/1,569,821.54 = 628,250.25/x
  3. Step 3: Cross multiply
    1,137,558.81x = 1,569,821.54 × 628,250.25
  4. Step 4: Simplify right side
    1,137,558.81x = 986,240,771,819.13
  5. Step 5: Solve for x
    x = 986,240,771,819.13/1,137,558.81
  6. Step 6: Final answer
    x = 866,980.03

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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.