Home / 763,947.61-1,054,185.99-441,678.47

Finding the Fourth Proportional to 763,947.61, 1,054,185.99 and 441,678.47

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Solution

The fourth proportional to 763,947.61, 1,054,185.99 and 441,678.47 is: 609,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,947.61 : 1,054,185.99 = 441,678.47 : x
  2. Step 2: Convert to fraction form
    763,947.61/1,054,185.99 = 441,678.47/x
  3. Step 3: Cross multiply
    763,947.61x = 1,054,185.99 × 441,678.47
  4. Step 4: Simplify right side
    763,947.61x = 465,611,249,887.71
  5. Step 5: Solve for x
    x = 465,611,249,887.71/763,947.61
  6. Step 6: Final answer
    x = 609,480.60

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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.