Home / 845,518.79-1,166,889.36-463,619.38

Finding the Fourth Proportional to 845,518.79, 1,166,889.36 and 463,619.38

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Solution

The fourth proportional to 845,518.79, 1,166,889.36 and 463,619.38 is: 639,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,518.79 : 1,166,889.36 = 463,619.38 : x
  2. Step 2: Convert to fraction form
    845,518.79/1,166,889.36 = 463,619.38/x
  3. Step 3: Cross multiply
    845,518.79x = 1,166,889.36 × 463,619.38
  4. Step 4: Simplify right side
    845,518.79x = 540,992,521,611.80
  5. Step 5: Solve for x
    x = 540,992,521,611.80/845,518.79
  6. Step 6: Final answer
    x = 639,835.01

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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.