Home / 845,189.12-1,166,365.44-463,219.20

Finding the Fourth Proportional to 845,189.12, 1,166,365.44 and 463,219.20

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Solution

The fourth proportional to 845,189.12, 1,166,365.44 and 463,219.20 is: 639,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,189.12 : 1,166,365.44 = 463,219.20 : x
  2. Step 2: Convert to fraction form
    845,189.12/1,166,365.44 = 463,219.20/x
  3. Step 3: Cross multiply
    845,189.12x = 1,166,365.44 × 463,219.20
  4. Step 4: Simplify right side
    845,189.12x = 540,282,866,024.45
  5. Step 5: Solve for x
    x = 540,282,866,024.45/845,189.12
  6. Step 6: Final answer
    x = 639,244.94

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Double scale
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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.