Home / 992,968.88-1,370,256.12-540,261.68

Finding the Fourth Proportional to 992,968.88, 1,370,256.12 and 540,261.68

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Solution

The fourth proportional to 992,968.88, 1,370,256.12 and 540,261.68 is: 745,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,968.88 : 1,370,256.12 = 540,261.68 : x
  2. Step 2: Convert to fraction form
    992,968.88/1,370,256.12 = 540,261.68/x
  3. Step 3: Cross multiply
    992,968.88x = 1,370,256.12 × 540,261.68
  4. Step 4: Simplify right side
    992,968.88x = 740,296,873,421.48
  5. Step 5: Solve for x
    x = 740,296,873,421.48/992,968.88
  6. Step 6: Final answer
    x = 745,538.85

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1.5x scale

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.