Home / 1,020,004.20-1,526,507.10-936,023.40

Finding the Fourth Proportional to 1,020,004.20, 1,526,507.10 and 936,023.40

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Solution

The fourth proportional to 1,020,004.20, 1,526,507.10 and 936,023.40 is: 1,400,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,004.20 : 1,526,507.10 = 936,023.40 : x
  2. Step 2: Convert to fraction form
    1,020,004.20/1,526,507.10 = 936,023.40/x
  3. Step 3: Cross multiply
    1,020,004.20x = 1,526,507.10 × 936,023.40
  4. Step 4: Simplify right side
    1,020,004.20x = 1,428,846,365,866.14
  5. Step 5: Solve for x
    x = 1,428,846,365,866.14/1,020,004.20
  6. Step 6: Final answer
    x = 1,400,824.00

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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.