Home / 1,219,803.64-1,683,339.03-675,948.51

Finding the Fourth Proportional to 1,219,803.64, 1,683,339.03 and 675,948.51

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Solution

The fourth proportional to 1,219,803.64, 1,683,339.03 and 675,948.51 is: 932,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,803.64 : 1,683,339.03 = 675,948.51 : x
  2. Step 2: Convert to fraction form
    1,219,803.64/1,683,339.03 = 675,948.51/x
  3. Step 3: Cross multiply
    1,219,803.64x = 1,683,339.03 × 675,948.51
  4. Step 4: Simplify right side
    1,219,803.64x = 1,137,850,499,200.07
  5. Step 5: Solve for x
    x = 1,137,850,499,200.07/1,219,803.64
  6. Step 6: Final answer
    x = 932,814.48

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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.