Home / 1,171,187.88-1,616,240.10-634,643.88

Finding the Fourth Proportional to 1,171,187.88, 1,616,240.10 and 634,643.88

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Solution

The fourth proportional to 1,171,187.88, 1,616,240.10 and 634,643.88 is: 875,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,187.88 : 1,616,240.10 = 634,643.88 : x
  2. Step 2: Convert to fraction form
    1,171,187.88/1,616,240.10 = 634,643.88/x
  3. Step 3: Cross multiply
    1,171,187.88x = 1,616,240.10 × 634,643.88
  4. Step 4: Simplify right side
    1,171,187.88x = 1,025,736,888,075.59
  5. Step 5: Solve for x
    x = 1,025,736,888,075.59/1,171,187.88
  6. Step 6: Final answer
    x = 875,809.00

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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.