Home / 1,111,515.58-1,533,871.48-628,070.32

Finding the Fourth Proportional to 1,111,515.58, 1,533,871.48 and 628,070.32

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Solution

The fourth proportional to 1,111,515.58, 1,533,871.48 and 628,070.32 is: 866,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,515.58 : 1,533,871.48 = 628,070.32 : x
  2. Step 2: Convert to fraction form
    1,111,515.58/1,533,871.48 = 628,070.32/x
  3. Step 3: Cross multiply
    1,111,515.58x = 1,533,871.48 × 628,070.32
  4. Step 4: Simplify right side
    1,111,515.58x = 963,379,151,282.47
  5. Step 5: Solve for x
    x = 963,379,151,282.47/1,111,515.58
  6. Step 6: Final answer
    x = 866,725.73

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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.