Home / 767,788.86-1,059,541.61-423,627.96

Finding the Fourth Proportional to 767,788.86, 1,059,541.61 and 423,627.96

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Solution

The fourth proportional to 767,788.86, 1,059,541.61 and 423,627.96 is: 584,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,788.86 : 1,059,541.61 = 423,627.96 : x
  2. Step 2: Convert to fraction form
    767,788.86/1,059,541.61 = 423,627.96/x
  3. Step 3: Cross multiply
    767,788.86x = 1,059,541.61 × 423,627.96
  4. Step 4: Simplify right side
    767,788.86x = 448,851,448,661.28
  5. Step 5: Solve for x
    x = 448,851,448,661.28/767,788.86
  6. Step 6: Final answer
    x = 584,602.71

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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.