Home / 879,118.16-1,213,183.56-476,710.16

Finding the Fourth Proportional to 879,118.16, 1,213,183.56 and 476,710.16

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Solution

The fourth proportional to 879,118.16, 1,213,183.56 and 476,710.16 is: 657,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,118.16 : 1,213,183.56 = 476,710.16 : x
  2. Step 2: Convert to fraction form
    879,118.16/1,213,183.56 = 476,710.16/x
  3. Step 3: Cross multiply
    879,118.16x = 1,213,183.56 × 476,710.16
  4. Step 4: Simplify right side
    879,118.16x = 578,336,928,996.97
  5. Step 5: Solve for x
    x = 578,336,928,996.97/879,118.16
  6. Step 6: Final answer
    x = 657,860.29

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Double scale
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1.5x scale

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.