Home / 1,686,284.80-2,528,552.40-620,778.40

Finding the Fourth Proportional to 1,686,284.80, 2,528,552.40 and 620,778.40

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Solution

The fourth proportional to 1,686,284.80, 2,528,552.40 and 620,778.40 is: 930,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,284.80 : 2,528,552.40 = 620,778.40 : x
  2. Step 2: Convert to fraction form
    1,686,284.80/2,528,552.40 = 620,778.40/x
  3. Step 3: Cross multiply
    1,686,284.80x = 2,528,552.40 × 620,778.40
  4. Step 4: Simplify right side
    1,686,284.80x = 1,569,670,713,188.16
  5. Step 5: Solve for x
    x = 1,569,670,713,188.16/1,686,284.80
  6. Step 6: Final answer
    x = 930,845.56

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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.