Home / 879,532.32-1,213,756.94-477,124.32

Finding the Fourth Proportional to 879,532.32, 1,213,756.94 and 477,124.32

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Solution

The fourth proportional to 879,532.32, 1,213,756.94 and 477,124.32 is: 658,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,532.32 : 1,213,756.94 = 477,124.32 : x
  2. Step 2: Convert to fraction form
    879,532.32/1,213,756.94 = 477,124.32/x
  3. Step 3: Cross multiply
    879,532.32x = 1,213,756.94 × 477,124.32
  4. Step 4: Simplify right side
    879,532.32x = 579,112,954,642.78
  5. Step 5: Solve for x
    x = 579,112,954,642.78/879,532.32
  6. Step 6: Final answer
    x = 658,432.83

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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.