Home / 1,247,515.81-1,871,504.58-394,802.08

Finding the Fourth Proportional to 1,247,515.81, 1,871,504.58 and 394,802.08

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Solution

The fourth proportional to 1,247,515.81, 1,871,504.58 and 394,802.08 is: 592,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,515.81 : 1,871,504.58 = 394,802.08 : x
  2. Step 2: Convert to fraction form
    1,247,515.81/1,871,504.58 = 394,802.08/x
  3. Step 3: Cross multiply
    1,247,515.81x = 1,871,504.58 × 394,802.08
  4. Step 4: Simplify right side
    1,247,515.81x = 738,873,900,913.53
  5. Step 5: Solve for x
    x = 738,873,900,913.53/1,247,515.81
  6. Step 6: Final answer
    x = 592,276.18

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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.