Home / 960,422.51-1,440,436.88-353,001.48

Finding the Fourth Proportional to 960,422.51, 1,440,436.88 and 353,001.48

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Solution

The fourth proportional to 960,422.51, 1,440,436.88 and 353,001.48 is: 529,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,422.51 : 1,440,436.88 = 353,001.48 : x
  2. Step 2: Convert to fraction form
    960,422.51/1,440,436.88 = 353,001.48/x
  3. Step 3: Cross multiply
    960,422.51x = 1,440,436.88 × 353,001.48
  4. Step 4: Simplify right side
    960,422.51x = 508,476,348,721.58
  5. Step 5: Solve for x
    x = 508,476,348,721.58/960,422.51
  6. Step 6: Final answer
    x = 529,429.86

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1.5x scale

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.