Home / 1,086,905-1,499,975.74-603,470.20

Finding the Fourth Proportional to 1,086,905, 1,499,975.74 and 603,470.20

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Solution

The fourth proportional to 1,086,905, 1,499,975.74 and 603,470.20 is: 832,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,905 : 1,499,975.74 = 603,470.20 : x
  2. Step 2: Convert to fraction form
    1,086,905/1,499,975.74 = 603,470.20/x
  3. Step 3: Cross multiply
    1,086,905x = 1,499,975.74 × 603,470.20
  4. Step 4: Simplify right side
    1,086,905x = 905,190,659,812.95
  5. Step 5: Solve for x
    x = 905,190,659,812.95/1,086,905
  6. Step 6: Final answer
    x = 832,814.88

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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.