Home / 879,736.86-1,214,032.59-477,328.86

Finding the Fourth Proportional to 879,736.86, 1,214,032.59 and 477,328.86

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Solution

The fourth proportional to 879,736.86, 1,214,032.59 and 477,328.86 is: 658,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,736.86 : 1,214,032.59 = 477,328.86 : x
  2. Step 2: Convert to fraction form
    879,736.86/1,214,032.59 = 477,328.86/x
  3. Step 3: Cross multiply
    879,736.86x = 1,214,032.59 × 477,328.86
  4. Step 4: Simplify right side
    879,736.86x = 579,492,792,187.55
  5. Step 5: Solve for x
    x = 579,492,792,187.55/879,736.86
  6. Step 6: Final answer
    x = 658,711.51

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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.