Home / 1,047,023.71-1,570,182.36-398,445.97

Finding the Fourth Proportional to 1,047,023.71, 1,570,182.36 and 398,445.97

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Solution

The fourth proportional to 1,047,023.71, 1,570,182.36 and 398,445.97 is: 597,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,023.71 : 1,570,182.36 = 398,445.97 : x
  2. Step 2: Convert to fraction form
    1,047,023.71/1,570,182.36 = 398,445.97/x
  3. Step 3: Cross multiply
    1,047,023.71x = 1,570,182.36 × 398,445.97
  4. Step 4: Simplify right side
    1,047,023.71x = 625,632,833,507.09
  5. Step 5: Solve for x
    x = 625,632,833,507.09/1,047,023.71
  6. Step 6: Final answer
    x = 597,534.54

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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.