Home / 1,805,921.56-2,492,154.90-990,170.56

Finding the Fourth Proportional to 1,805,921.56, 2,492,154.90 and 990,170.56

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Solution

The fourth proportional to 1,805,921.56, 2,492,154.90 and 990,170.56 is: 1,366,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,921.56 : 2,492,154.90 = 990,170.56 : x
  2. Step 2: Convert to fraction form
    1,805,921.56/2,492,154.90 = 990,170.56/x
  3. Step 3: Cross multiply
    1,805,921.56x = 2,492,154.90 × 990,170.56
  4. Step 4: Simplify right side
    1,805,921.56x = 2,467,658,412,939.74
  5. Step 5: Solve for x
    x = 2,467,658,412,939.74/1,805,921.56
  6. Step 6: Final answer
    x = 1,366,426.13

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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.