Home / 1,177,783.80-1,625,219.58-661,595.64

Finding the Fourth Proportional to 1,177,783.80, 1,625,219.58 and 661,595.64

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Solution

The fourth proportional to 1,177,783.80, 1,625,219.58 and 661,595.64 is: 912,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,783.80 : 1,625,219.58 = 661,595.64 : x
  2. Step 2: Convert to fraction form
    1,177,783.80/1,625,219.58 = 661,595.64/x
  3. Step 3: Cross multiply
    1,177,783.80x = 1,625,219.58 × 661,595.64
  4. Step 4: Simplify right side
    1,177,783.80x = 1,075,238,188,170.63
  5. Step 5: Solve for x
    x = 1,075,238,188,170.63/1,177,783.80
  6. Step 6: Final answer
    x = 912,933.42

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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.