Home / 1,219,801.31-1,683,335.69-675,946.17

Finding the Fourth Proportional to 1,219,801.31, 1,683,335.69 and 675,946.17

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Solution

The fourth proportional to 1,219,801.31, 1,683,335.69 and 675,946.17 is: 932,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,801.31 : 1,683,335.69 = 675,946.17 : x
  2. Step 2: Convert to fraction form
    1,219,801.31/1,683,335.69 = 675,946.17/x
  3. Step 3: Cross multiply
    1,219,801.31x = 1,683,335.69 × 675,946.17
  4. Step 4: Simplify right side
    1,219,801.31x = 1,137,844,312,479.81
  5. Step 5: Solve for x
    x = 1,137,844,312,479.81/1,219,801.31
  6. Step 6: Final answer
    x = 932,811.19

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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.