Home / 1,173,047.80-1,618,824.78-636,503.80

Finding the Fourth Proportional to 1,173,047.80, 1,618,824.78 and 636,503.80

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Solution

The fourth proportional to 1,173,047.80, 1,618,824.78 and 636,503.80 is: 878,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,047.80 : 1,618,824.78 = 636,503.80 : x
  2. Step 2: Convert to fraction form
    1,173,047.80/1,618,824.78 = 636,503.80/x
  3. Step 3: Cross multiply
    1,173,047.80x = 1,618,824.78 × 636,503.80
  4. Step 4: Simplify right side
    1,173,047.80x = 1,030,388,124,004.16
  5. Step 5: Solve for x
    x = 1,030,388,124,004.16/1,173,047.80
  6. Step 6: Final answer
    x = 878,385.45

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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.