Home / 1,527,074.43-2,107,388.10-838,809.93

Finding the Fourth Proportional to 1,527,074.43, 2,107,388.10 and 838,809.93

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Solution

The fourth proportional to 1,527,074.43, 2,107,388.10 and 838,809.93 is: 1,157,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,074.43 : 2,107,388.10 = 838,809.93 : x
  2. Step 2: Convert to fraction form
    1,527,074.43/2,107,388.10 = 838,809.93/x
  3. Step 3: Cross multiply
    1,527,074.43x = 2,107,388.10 × 838,809.93
  4. Step 4: Simplify right side
    1,527,074.43x = 1,767,698,064,643.83
  5. Step 5: Solve for x
    x = 1,767,698,064,643.83/1,527,074.43
  6. Step 6: Final answer
    x = 1,157,571.65

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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.