Home / 879,982.16-1,214,376-477,574.16

Finding the Fourth Proportional to 879,982.16, 1,214,376 and 477,574.16

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Solution

The fourth proportional to 879,982.16, 1,214,376 and 477,574.16 is: 659,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,982.16 : 1,214,376 = 477,574.16 : x
  2. Step 2: Convert to fraction form
    879,982.16/1,214,376 = 477,574.16/x
  3. Step 3: Cross multiply
    879,982.16x = 1,214,376 × 477,574.16
  4. Step 4: Simplify right side
    879,982.16x = 579,954,598,124.16
  5. Step 5: Solve for x
    x = 579,954,598,124.16/879,982.16
  6. Step 6: Final answer
    x = 659,052.68

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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.