Home / 1,457,391.87-2,011,204.35-812,853.81

Finding the Fourth Proportional to 1,457,391.87, 2,011,204.35 and 812,853.81

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Solution

The fourth proportional to 1,457,391.87, 2,011,204.35 and 812,853.81 is: 1,121,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,391.87 : 2,011,204.35 = 812,853.81 : x
  2. Step 2: Convert to fraction form
    1,457,391.87/2,011,204.35 = 812,853.81/x
  3. Step 3: Cross multiply
    1,457,391.87x = 2,011,204.35 × 812,853.81
  4. Step 4: Simplify right side
    1,457,391.87x = 1,634,815,118,586.07
  5. Step 5: Solve for x
    x = 1,634,815,118,586.07/1,457,391.87
  6. Step 6: Final answer
    x = 1,121,740.25

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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.