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Finding the Fourth Proportional to 1,039,974, 1,559,763.72 and 506,958.96

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Solution

The fourth proportional to 1,039,974, 1,559,763.72 and 506,958.96 is: 760,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,974 : 1,559,763.72 = 506,958.96 : x
  2. Step 2: Convert to fraction form
    1,039,974/1,559,763.72 = 506,958.96/x
  3. Step 3: Cross multiply
    1,039,974x = 1,559,763.72 × 506,958.96
  4. Step 4: Simplify right side
    1,039,974x = 790,736,193,336.93
  5. Step 5: Solve for x
    x = 790,736,193,336.93/1,039,974
  6. Step 6: Final answer
    x = 760,342.27

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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.