Home / 1,008,060.40-1,510,535.40-874,313.20

Finding the Fourth Proportional to 1,008,060.40, 1,510,535.40 and 874,313.20

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Solution

The fourth proportional to 1,008,060.40, 1,510,535.40 and 874,313.20 is: 1,310,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,060.40 : 1,510,535.40 = 874,313.20 : x
  2. Step 2: Convert to fraction form
    1,008,060.40/1,510,535.40 = 874,313.20/x
  3. Step 3: Cross multiply
    1,008,060.40x = 1,510,535.40 × 874,313.20
  4. Step 4: Simplify right side
    1,008,060.40x = 1,320,681,039,287.28
  5. Step 5: Solve for x
    x = 1,320,681,039,287.28/1,008,060.40
  6. Step 6: Final answer
    x = 1,310,120.94

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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.