Home / 1,184,619.81-1,776,928.35-385,900.08

Finding the Fourth Proportional to 1,184,619.81, 1,776,928.35 and 385,900.08

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Solution

The fourth proportional to 1,184,619.81, 1,776,928.35 and 385,900.08 is: 578,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,619.81 : 1,776,928.35 = 385,900.08 : x
  2. Step 2: Convert to fraction form
    1,184,619.81/1,776,928.35 = 385,900.08/x
  3. Step 3: Cross multiply
    1,184,619.81x = 1,776,928.35 × 385,900.08
  4. Step 4: Simplify right side
    1,184,619.81x = 685,716,792,419.27
  5. Step 5: Solve for x
    x = 685,716,792,419.27/1,184,619.81
  6. Step 6: Final answer
    x = 578,849.68

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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.