Home / 1,039,162.68-1,433,890.74-631,052.28

Finding the Fourth Proportional to 1,039,162.68, 1,433,890.74 and 631,052.28

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Solution

The fourth proportional to 1,039,162.68, 1,433,890.74 and 631,052.28 is: 870,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,162.68 : 1,433,890.74 = 631,052.28 : x
  2. Step 2: Convert to fraction form
    1,039,162.68/1,433,890.74 = 631,052.28/x
  3. Step 3: Cross multiply
    1,039,162.68x = 1,433,890.74 × 631,052.28
  4. Step 4: Simplify right side
    1,039,162.68x = 904,860,020,747.89
  5. Step 5: Solve for x
    x = 904,860,020,747.89/1,039,162.68
  6. Step 6: Final answer
    x = 870,758.77

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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.