Home / 1,719,239.40-2,578,859.10-521,102.39

Finding the Fourth Proportional to 1,719,239.40, 2,578,859.10 and 521,102.39

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Solution

The fourth proportional to 1,719,239.40, 2,578,859.10 and 521,102.39 is: 781,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,239.40 : 2,578,859.10 = 521,102.39 : x
  2. Step 2: Convert to fraction form
    1,719,239.40/2,578,859.10 = 521,102.39/x
  3. Step 3: Cross multiply
    1,719,239.40x = 2,578,859.10 × 521,102.39
  4. Step 4: Simplify right side
    1,719,239.40x = 1,343,849,627,588.95
  5. Step 5: Solve for x
    x = 1,343,849,627,588.95/1,719,239.40
  6. Step 6: Final answer
    x = 781,653.58

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Similar ratio
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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.