Home / 1,047,221.79-1,570,848.48-398,833.88

Finding the Fourth Proportional to 1,047,221.79, 1,570,848.48 and 398,833.88

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Solution

The fourth proportional to 1,047,221.79, 1,570,848.48 and 398,833.88 is: 598,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,221.79 : 1,570,848.48 = 398,833.88 : x
  2. Step 2: Convert to fraction form
    1,047,221.79/1,570,848.48 = 398,833.88/x
  3. Step 3: Cross multiply
    1,047,221.79x = 1,570,848.48 × 398,833.88
  4. Step 4: Simplify right side
    1,047,221.79x = 626,507,586,316.26
  5. Step 5: Solve for x
    x = 626,507,586,316.26/1,047,221.79
  6. Step 6: Final answer
    x = 598,256.83

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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.