Home / 984,130.56-1,358,104.32-554,415.84

Finding the Fourth Proportional to 984,130.56, 1,358,104.32 and 554,415.84

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Solution

The fourth proportional to 984,130.56, 1,358,104.32 and 554,415.84 is: 765,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,130.56 : 1,358,104.32 = 554,415.84 : x
  2. Step 2: Convert to fraction form
    984,130.56/1,358,104.32 = 554,415.84/x
  3. Step 3: Cross multiply
    984,130.56x = 1,358,104.32 × 554,415.84
  4. Step 4: Simplify right side
    984,130.56x = 752,954,547,380.43
  5. Step 5: Solve for x
    x = 752,954,547,380.43/984,130.56
  6. Step 6: Final answer
    x = 765,096.20

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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.