Home / 1,137,356.88-1,569,542.64-628,048.32

Finding the Fourth Proportional to 1,137,356.88, 1,569,542.64 and 628,048.32

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Solution

The fourth proportional to 1,137,356.88, 1,569,542.64 and 628,048.32 is: 866,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,356.88 : 1,569,542.64 = 628,048.32 : x
  2. Step 2: Convert to fraction form
    1,137,356.88/1,569,542.64 = 628,048.32/x
  3. Step 3: Cross multiply
    1,137,356.88x = 1,569,542.64 × 628,048.32
  4. Step 4: Simplify right side
    1,137,356.88x = 985,748,618,220.37
  5. Step 5: Solve for x
    x = 985,748,618,220.37/1,137,356.88
  6. Step 6: Final answer
    x = 866,701.24

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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.