Home / 1,297,519.40-1,946,695.54-623,649.57

Finding the Fourth Proportional to 1,297,519.40, 1,946,695.54 and 623,649.57

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Solution

The fourth proportional to 1,297,519.40, 1,946,695.54 and 623,649.57 is: 935,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,519.40 : 1,946,695.54 = 623,649.57 : x
  2. Step 2: Convert to fraction form
    1,297,519.40/1,946,695.54 = 623,649.57/x
  3. Step 3: Cross multiply
    1,297,519.40x = 1,946,695.54 × 623,649.57
  4. Step 4: Simplify right side
    1,297,519.40x = 1,214,055,836,441.92
  5. Step 5: Solve for x
    x = 1,214,055,836,441.92/1,297,519.40
  6. Step 6: Final answer
    x = 935,674.52

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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.