Home / 845,395.14-1,166,644.71-463,428.30

Finding the Fourth Proportional to 845,395.14, 1,166,644.71 and 463,428.30

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Solution

The fourth proportional to 845,395.14, 1,166,644.71 and 463,428.30 is: 639,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,395.14 : 1,166,644.71 = 463,428.30 : x
  2. Step 2: Convert to fraction form
    845,395.14/1,166,644.71 = 463,428.30/x
  3. Step 3: Cross multiply
    845,395.14x = 1,166,644.71 × 463,428.30
  4. Step 4: Simplify right side
    845,395.14x = 540,656,174,659.29
  5. Step 5: Solve for x
    x = 540,656,174,659.29/845,395.14
  6. Step 6: Final answer
    x = 639,530.73

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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.