Home / 845,866.53-1,167,106.77-483,174.45

Finding the Fourth Proportional to 845,866.53, 1,167,106.77 and 483,174.45

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Solution

The fourth proportional to 845,866.53, 1,167,106.77 and 483,174.45 is: 666,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,866.53 : 1,167,106.77 = 483,174.45 : x
  2. Step 2: Convert to fraction form
    845,866.53/1,167,106.77 = 483,174.45/x
  3. Step 3: Cross multiply
    845,866.53x = 1,167,106.77 × 483,174.45
  4. Step 4: Simplify right side
    845,866.53x = 563,916,171,686.03
  5. Step 5: Solve for x
    x = 563,916,171,686.03/845,866.53
  6. Step 6: Final answer
    x = 666,672.76

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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.