Home / 771,632.25-1,157,561.15-371,944.35

Finding the Fourth Proportional to 771,632.25, 1,157,561.15 and 371,944.35

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Solution

The fourth proportional to 771,632.25, 1,157,561.15 and 371,944.35 is: 557,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,632.25 : 1,157,561.15 = 371,944.35 : x
  2. Step 2: Convert to fraction form
    771,632.25/1,157,561.15 = 371,944.35/x
  3. Step 3: Cross multiply
    771,632.25x = 1,157,561.15 × 371,944.35
  4. Step 4: Simplify right side
    771,632.25x = 430,548,327,662.28
  5. Step 5: Solve for x
    x = 430,548,327,662.28/771,632.25
  6. Step 6: Final answer
    x = 557,970.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.