Home / 1,685,783.60-2,528,675.40-965,385.80

Finding the Fourth Proportional to 1,685,783.60, 2,528,675.40 and 965,385.80

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Solution

The fourth proportional to 1,685,783.60, 2,528,675.40 and 965,385.80 is: 1,448,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,783.60 : 2,528,675.40 = 965,385.80 : x
  2. Step 2: Convert to fraction form
    1,685,783.60/2,528,675.40 = 965,385.80/x
  3. Step 3: Cross multiply
    1,685,783.60x = 2,528,675.40 × 965,385.80
  4. Step 4: Simplify right side
    1,685,783.60x = 2,441,147,323,969.32
  5. Step 5: Solve for x
    x = 2,441,147,323,969.32/1,685,783.60
  6. Step 6: Final answer
    x = 1,448,078.70

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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.