Home / 1,205,496.47-1,806,987.12-406,503.29

Finding the Fourth Proportional to 1,205,496.47, 1,806,987.12 and 406,503.29

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Solution

The fourth proportional to 1,205,496.47, 1,806,987.12 and 406,503.29 is: 609,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,496.47 : 1,806,987.12 = 406,503.29 : x
  2. Step 2: Convert to fraction form
    1,205,496.47/1,806,987.12 = 406,503.29/x
  3. Step 3: Cross multiply
    1,205,496.47x = 1,806,987.12 × 406,503.29
  4. Step 4: Simplify right side
    1,205,496.47x = 734,546,212,260.71
  5. Step 5: Solve for x
    x = 734,546,212,260.71/1,205,496.47
  6. Step 6: Final answer
    x = 609,330.87

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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.