Home / 1,875,984.73-2,813,287.82-644,643.45

Finding the Fourth Proportional to 1,875,984.73, 2,813,287.82 and 644,643.45

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Solution

The fourth proportional to 1,875,984.73, 2,813,287.82 and 644,643.45 is: 966,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,984.73 : 2,813,287.82 = 644,643.45 : x
  2. Step 2: Convert to fraction form
    1,875,984.73/2,813,287.82 = 644,643.45/x
  3. Step 3: Cross multiply
    1,875,984.73x = 2,813,287.82 × 644,643.45
  4. Step 4: Simplify right side
    1,875,984.73x = 1,813,567,562,904.56
  5. Step 5: Solve for x
    x = 1,813,567,562,904.56/1,875,984.73
  6. Step 6: Final answer
    x = 966,728.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.