Home / 1,026,466.50-1,539,600.78-316,303.86

Finding the Fourth Proportional to 1,026,466.50, 1,539,600.78 and 316,303.86

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Solution

The fourth proportional to 1,026,466.50, 1,539,600.78 and 316,303.86 is: 474,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,466.50 : 1,539,600.78 = 316,303.86 : x
  2. Step 2: Convert to fraction form
    1,026,466.50/1,539,600.78 = 316,303.86/x
  3. Step 3: Cross multiply
    1,026,466.50x = 1,539,600.78 × 316,303.86
  4. Step 4: Simplify right side
    1,026,466.50x = 486,981,669,573.01
  5. Step 5: Solve for x
    x = 486,981,669,573.01/1,026,466.50
  6. Step 6: Final answer
    x = 474,425.29

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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.