Home / 845,865.42-1,167,356.05-483,281.51

Finding the Fourth Proportional to 845,865.42, 1,167,356.05 and 483,281.51

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Solution

The fourth proportional to 845,865.42, 1,167,356.05 and 483,281.51 is: 666,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,865.42 : 1,167,356.05 = 483,281.51 : x
  2. Step 2: Convert to fraction form
    845,865.42/1,167,356.05 = 483,281.51/x
  3. Step 3: Cross multiply
    845,865.42x = 1,167,356.05 × 483,281.51
  4. Step 4: Simplify right side
    845,865.42x = 564,161,600,074.68
  5. Step 5: Solve for x
    x = 564,161,600,074.68/845,865.42
  6. Step 6: Final answer
    x = 666,963.78

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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.