Home / 426,543.69-588,359.95-324,345.10

Finding the Fourth Proportional to 426,543.69, 588,359.95 and 324,345.10

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Solution

The fourth proportional to 426,543.69, 588,359.95 and 324,345.10 is: 447,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,543.69 : 588,359.95 = 324,345.10 : x
  2. Step 2: Convert to fraction form
    426,543.69/588,359.95 = 324,345.10/x
  3. Step 3: Cross multiply
    426,543.69x = 588,359.95 × 324,345.10
  4. Step 4: Simplify right side
    426,543.69x = 190,831,665,197.02
  5. Step 5: Solve for x
    x = 190,831,665,197.02/426,543.69
  6. Step 6: Final answer
    x = 447,390.67

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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.