Home / 1,111,518.85-1,533,875.97-628,073.59

Finding the Fourth Proportional to 1,111,518.85, 1,533,875.97 and 628,073.59

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Solution

The fourth proportional to 1,111,518.85, 1,533,875.97 and 628,073.59 is: 866,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,518.85 : 1,533,875.97 = 628,073.59 : x
  2. Step 2: Convert to fraction form
    1,111,518.85/1,533,875.97 = 628,073.59/x
  3. Step 3: Cross multiply
    1,111,518.85x = 1,533,875.97 × 628,073.59
  4. Step 4: Simplify right side
    1,111,518.85x = 963,386,987,092.63
  5. Step 5: Solve for x
    x = 963,386,987,092.63/1,111,518.85
  6. Step 6: Final answer
    x = 866,730.23

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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.