Home / 1,561,323.48-2,155,220.96-1,017,591.52

Finding the Fourth Proportional to 1,561,323.48, 2,155,220.96 and 1,017,591.52

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Solution

The fourth proportional to 1,561,323.48, 2,155,220.96 and 1,017,591.52 is: 1,404,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,323.48 : 2,155,220.96 = 1,017,591.52 : x
  2. Step 2: Convert to fraction form
    1,561,323.48/2,155,220.96 = 1,017,591.52/x
  3. Step 3: Cross multiply
    1,561,323.48x = 2,155,220.96 × 1,017,591.52
  4. Step 4: Simplify right side
    1,561,323.48x = 2,193,134,572,622.26
  5. Step 5: Solve for x
    x = 2,193,134,572,622.26/1,561,323.48
  6. Step 6: Final answer
    x = 1,404,663.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.