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Finding the Fourth Proportional to 1,249,844.94, 1,724,784.42 and 676,887.39

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Solution

The fourth proportional to 1,249,844.94, 1,724,784.42 and 676,887.39 is: 934,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,844.94 : 1,724,784.42 = 676,887.39 : x
  2. Step 2: Convert to fraction form
    1,249,844.94/1,724,784.42 = 676,887.39/x
  3. Step 3: Cross multiply
    1,249,844.94x = 1,724,784.42 × 676,887.39
  4. Step 4: Simplify right side
    1,249,844.94x = 1,167,484,824,366.46
  5. Step 5: Solve for x
    x = 1,167,484,824,366.46/1,249,844.94
  6. Step 6: Final answer
    x = 934,103.73

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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.