Home / 845,315.96-1,166,530.74-463,358.84

Finding the Fourth Proportional to 845,315.96, 1,166,530.74 and 463,358.84

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Solution

The fourth proportional to 845,315.96, 1,166,530.74 and 463,358.84 is: 639,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,315.96 : 1,166,530.74 = 463,358.84 : x
  2. Step 2: Convert to fraction form
    845,315.96/1,166,530.74 = 463,358.84/x
  3. Step 3: Cross multiply
    845,315.96x = 1,166,530.74 × 463,358.84
  4. Step 4: Simplify right side
    845,315.96x = 540,522,330,510.74
  5. Step 5: Solve for x
    x = 540,522,330,510.74/845,315.96
  6. Step 6: Final answer
    x = 639,432.30

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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.