Home / 788,116.88-1,087,602.50-448,585.13

Finding the Fourth Proportional to 788,116.88, 1,087,602.50 and 448,585.13

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Solution

The fourth proportional to 788,116.88, 1,087,602.50 and 448,585.13 is: 619,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,116.88 : 1,087,602.50 = 448,585.13 : x
  2. Step 2: Convert to fraction form
    788,116.88/1,087,602.50 = 448,585.13/x
  3. Step 3: Cross multiply
    788,116.88x = 1,087,602.50 × 448,585.13
  4. Step 4: Simplify right side
    788,116.88x = 487,882,308,850.83
  5. Step 5: Solve for x
    x = 487,882,308,850.83/788,116.88
  6. Step 6: Final answer
    x = 619,048.17

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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.