Home / 307,831.40-461,747.10-302,582.60

Finding the Fourth Proportional to 307,831.40, 461,747.10 and 302,582.60

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Solution

The fourth proportional to 307,831.40, 461,747.10 and 302,582.60 is: 453,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,831.40 : 461,747.10 = 302,582.60 : x
  2. Step 2: Convert to fraction form
    307,831.40/461,747.10 = 302,582.60/x
  3. Step 3: Cross multiply
    307,831.40x = 461,747.10 × 302,582.60
  4. Step 4: Simplify right side
    307,831.40x = 139,716,638,060.46
  5. Step 5: Solve for x
    x = 139,716,638,060.46/307,831.40
  6. Step 6: Final answer
    x = 453,873.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.