Home / 1,720,257.33-2,578,681.56-807,806.40

Finding the Fourth Proportional to 1,720,257.33, 2,578,681.56 and 807,806.40

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Solution

The fourth proportional to 1,720,257.33, 2,578,681.56 and 807,806.40 is: 1,210,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,257.33 : 2,578,681.56 = 807,806.40 : x
  2. Step 2: Convert to fraction form
    1,720,257.33/2,578,681.56 = 807,806.40/x
  3. Step 3: Cross multiply
    1,720,257.33x = 2,578,681.56 × 807,806.40
  4. Step 4: Simplify right side
    1,720,257.33x = 2,083,075,467,729.98
  5. Step 5: Solve for x
    x = 2,083,075,467,729.98/1,720,257.33
  6. Step 6: Final answer
    x = 1,210,909.22

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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.