Home / 1,707,761.60-2,561,642.40-525,809.60

Finding the Fourth Proportional to 1,707,761.60, 2,561,642.40 and 525,809.60

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Solution

The fourth proportional to 1,707,761.60, 2,561,642.40 and 525,809.60 is: 788,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,761.60 : 2,561,642.40 = 525,809.60 : x
  2. Step 2: Convert to fraction form
    1,707,761.60/2,561,642.40 = 525,809.60/x
  3. Step 3: Cross multiply
    1,707,761.60x = 2,561,642.40 × 525,809.60
  4. Step 4: Simplify right side
    1,707,761.60x = 1,346,936,165,687.04
  5. Step 5: Solve for x
    x = 1,346,936,165,687.04/1,707,761.60
  6. Step 6: Final answer
    x = 788,714.40

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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.