Home / 1,051,914.70-1,578,908.85-520,036.30

Finding the Fourth Proportional to 1,051,914.70, 1,578,908.85 and 520,036.30

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Solution

The fourth proportional to 1,051,914.70, 1,578,908.85 and 520,036.30 is: 780,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,914.70 : 1,578,908.85 = 520,036.30 : x
  2. Step 2: Convert to fraction form
    1,051,914.70/1,578,908.85 = 520,036.30/x
  3. Step 3: Cross multiply
    1,051,914.70x = 1,578,908.85 × 520,036.30
  4. Step 4: Simplify right side
    1,051,914.70x = 821,089,916,391.26
  5. Step 5: Solve for x
    x = 821,089,916,391.26/1,051,914.70
  6. Step 6: Final answer
    x = 780,567.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.