Home / 879,522.69-1,213,743.66-477,114.69

Finding the Fourth Proportional to 879,522.69, 1,213,743.66 and 477,114.69

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Solution

The fourth proportional to 879,522.69, 1,213,743.66 and 477,114.69 is: 658,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,522.69 : 1,213,743.66 = 477,114.69 : x
  2. Step 2: Convert to fraction form
    879,522.69/1,213,743.66 = 477,114.69/x
  3. Step 3: Cross multiply
    879,522.69x = 1,213,743.66 × 477,114.69
  4. Step 4: Simplify right side
    879,522.69x = 579,094,930,080.37
  5. Step 5: Solve for x
    x = 579,094,930,080.37/879,522.69
  6. Step 6: Final answer
    x = 658,419.55

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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.