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Finding the Fourth Proportional to 1,358,219, 1,874,400.54 and 754,607

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Solution

The fourth proportional to 1,358,219, 1,874,400.54 and 754,607 is: 1,041,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,219 : 1,874,400.54 = 754,607 : x
  2. Step 2: Convert to fraction form
    1,358,219/1,874,400.54 = 754,607/x
  3. Step 3: Cross multiply
    1,358,219x = 1,874,400.54 × 754,607
  4. Step 4: Simplify right side
    1,358,219x = 1,414,435,768,287.78
  5. Step 5: Solve for x
    x = 1,414,435,768,287.78/1,358,219
  6. Step 6: Final answer
    x = 1,041,390.06

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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.