Home / 1,019,980.20-1,526,471.10-935,999.40

Finding the Fourth Proportional to 1,019,980.20, 1,526,471.10 and 935,999.40

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Solution

The fourth proportional to 1,019,980.20, 1,526,471.10 and 935,999.40 is: 1,400,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,980.20 : 1,526,471.10 = 935,999.40 : x
  2. Step 2: Convert to fraction form
    1,019,980.20/1,526,471.10 = 935,999.40/x
  3. Step 3: Cross multiply
    1,019,980.20x = 1,526,471.10 × 935,999.40
  4. Step 4: Simplify right side
    1,019,980.20x = 1,428,776,033,717.34
  5. Step 5: Solve for x
    x = 1,428,776,033,717.34/1,019,980.20
  6. Step 6: Final answer
    x = 1,400,788.01

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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.