Home / 767,059.97-1,058,543.93-427,520.93

Finding the Fourth Proportional to 767,059.97, 1,058,543.93 and 427,520.93

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Solution

The fourth proportional to 767,059.97, 1,058,543.93 and 427,520.93 is: 589,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,059.97 : 1,058,543.93 = 427,520.93 : x
  2. Step 2: Convert to fraction form
    767,059.97/1,058,543.93 = 427,520.93/x
  3. Step 3: Cross multiply
    767,059.97x = 1,058,543.93 × 427,520.93
  4. Step 4: Simplify right side
    767,059.97x = 452,549,685,399.46
  5. Step 5: Solve for x
    x = 452,549,685,399.46/767,059.97
  6. Step 6: Final answer
    x = 589,979.54

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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.