Home / 845,161.45-1,166,316.10-463,187.32

Finding the Fourth Proportional to 845,161.45, 1,166,316.10 and 463,187.32

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Solution

The fourth proportional to 845,161.45, 1,166,316.10 and 463,187.32 is: 639,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,161.45 : 1,166,316.10 = 463,187.32 : x
  2. Step 2: Convert to fraction form
    845,161.45/1,166,316.10 = 463,187.32/x
  3. Step 3: Cross multiply
    845,161.45x = 1,166,316.10 × 463,187.32
  4. Step 4: Simplify right side
    845,161.45x = 540,222,828,631.85
  5. Step 5: Solve for x
    x = 540,222,828,631.85/845,161.45
  6. Step 6: Final answer
    x = 639,194.83

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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.