Home / 1,945,730.40-2,918,605.32-879,524.16

Finding the Fourth Proportional to 1,945,730.40, 2,918,605.32 and 879,524.16

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Solution

The fourth proportional to 1,945,730.40, 2,918,605.32 and 879,524.16 is: 1,319,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,730.40 : 2,918,605.32 = 879,524.16 : x
  2. Step 2: Convert to fraction form
    1,945,730.40/2,918,605.32 = 879,524.16/x
  3. Step 3: Cross multiply
    1,945,730.40x = 2,918,605.32 × 879,524.16
  4. Step 4: Simplify right side
    1,945,730.40x = 2,566,983,892,444.53
  5. Step 5: Solve for x
    x = 2,566,983,892,444.53/1,945,730.40
  6. Step 6: Final answer
    x = 1,319,290.63

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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.