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Finding the Fourth Proportional to 1,042,480, 1,438,612.68 and 589,771

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Solution

The fourth proportional to 1,042,480, 1,438,612.68 and 589,771 is: 813,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,480 : 1,438,612.68 = 589,771 : x
  2. Step 2: Convert to fraction form
    1,042,480/1,438,612.68 = 589,771/x
  3. Step 3: Cross multiply
    1,042,480x = 1,438,612.68 × 589,771
  4. Step 4: Simplify right side
    1,042,480x = 848,452,038,896.28
  5. Step 5: Solve for x
    x = 848,452,038,896.28/1,042,480
  6. Step 6: Final answer
    x = 813,878.48

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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.