Home / 1,457,527.91-2,011,392.03-812,989.85

Finding the Fourth Proportional to 1,457,527.91, 2,011,392.03 and 812,989.85

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Solution

The fourth proportional to 1,457,527.91, 2,011,392.03 and 812,989.85 is: 1,121,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,527.91 : 2,011,392.03 = 812,989.85 : x
  2. Step 2: Convert to fraction form
    1,457,527.91/2,011,392.03 = 812,989.85/x
  3. Step 3: Cross multiply
    1,457,527.91x = 2,011,392.03 × 812,989.85
  4. Step 4: Simplify right side
    1,457,527.91x = 1,635,241,294,703.94
  5. Step 5: Solve for x
    x = 1,635,241,294,703.94/1,457,527.91
  6. Step 6: Final answer
    x = 1,121,927.95

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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.