Home / 788,112.75-1,087,596.81-448,581

Finding the Fourth Proportional to 788,112.75, 1,087,596.81 and 448,581

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Solution

The fourth proportional to 788,112.75, 1,087,596.81 and 448,581 is: 619,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,112.75 : 1,087,596.81 = 448,581 : x
  2. Step 2: Convert to fraction form
    788,112.75/1,087,596.81 = 448,581/x
  3. Step 3: Cross multiply
    788,112.75x = 1,087,596.81 × 448,581
  4. Step 4: Simplify right side
    788,112.75x = 487,875,264,626.61
  5. Step 5: Solve for x
    x = 487,875,264,626.61/788,112.75
  6. Step 6: Final answer
    x = 619,042.47

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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.