Home / 1,219,685.73-1,683,164.66-675,856.74

Finding the Fourth Proportional to 1,219,685.73, 1,683,164.66 and 675,856.74

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Solution

The fourth proportional to 1,219,685.73, 1,683,164.66 and 675,856.74 is: 932,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,685.73 : 1,683,164.66 = 675,856.74 : x
  2. Step 2: Convert to fraction form
    1,219,685.73/1,683,164.66 = 675,856.74/x
  3. Step 3: Cross multiply
    1,219,685.73x = 1,683,164.66 × 675,856.74
  4. Step 4: Simplify right side
    1,219,685.73x = 1,137,578,168,195.70
  5. Step 5: Solve for x
    x = 1,137,578,168,195.70/1,219,685.73
  6. Step 6: Final answer
    x = 932,681.38

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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.