Home / 1,640,252.32-2,263,549.62-915,100.19

Finding the Fourth Proportional to 1,640,252.32, 2,263,549.62 and 915,100.19

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Solution

The fourth proportional to 1,640,252.32, 2,263,549.62 and 915,100.19 is: 1,262,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,252.32 : 2,263,549.62 = 915,100.19 : x
  2. Step 2: Convert to fraction form
    1,640,252.32/2,263,549.62 = 915,100.19/x
  3. Step 3: Cross multiply
    1,640,252.32x = 2,263,549.62 × 915,100.19
  4. Step 4: Simplify right side
    1,640,252.32x = 2,071,374,687,336.43
  5. Step 5: Solve for x
    x = 2,071,374,687,336.43/1,640,252.32
  6. Step 6: Final answer
    x = 1,262,839.05

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1.5x scale

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.