Home / 879,895.41-1,214,255.66-477,487.41

Finding the Fourth Proportional to 879,895.41, 1,214,255.66 and 477,487.41

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Solution

The fourth proportional to 879,895.41, 1,214,255.66 and 477,487.41 is: 658,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,895.41 : 1,214,255.66 = 477,487.41 : x
  2. Step 2: Convert to fraction form
    879,895.41/1,214,255.66 = 477,487.41/x
  3. Step 3: Cross multiply
    879,895.41x = 1,214,255.66 × 477,487.41
  4. Step 4: Simplify right side
    879,895.41x = 579,791,785,916.21
  5. Step 5: Solve for x
    x = 579,791,785,916.21/879,895.41
  6. Step 6: Final answer
    x = 658,932.62

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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.