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Finding the Fourth Proportional to 1,039,818, 1,559,727 and 374,970

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Solution

The fourth proportional to 1,039,818, 1,559,727 and 374,970 is: 562,455

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,818 : 1,559,727 = 374,970 : x
  2. Step 2: Convert to fraction form
    1,039,818/1,559,727 = 374,970/x
  3. Step 3: Cross multiply
    1,039,818x = 1,559,727 × 374,970
  4. Step 4: Simplify right side
    1,039,818x = 584,850,833,190
  5. Step 5: Solve for x
    x = 584,850,833,190/1,039,818
  6. Step 6: Final answer
    x = 562,455

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.