Home / 1,205,498.35-1,806,989.93-406,505.17

Finding the Fourth Proportional to 1,205,498.35, 1,806,989.93 and 406,505.17

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Solution

The fourth proportional to 1,205,498.35, 1,806,989.93 and 406,505.17 is: 609,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,498.35 : 1,806,989.93 = 406,505.17 : x
  2. Step 2: Convert to fraction form
    1,205,498.35/1,806,989.93 = 406,505.17/x
  3. Step 3: Cross multiply
    1,205,498.35x = 1,806,989.93 × 406,505.17
  4. Step 4: Simplify right side
    1,205,498.35x = 734,550,742,132.94
  5. Step 5: Solve for x
    x = 734,550,742,132.94/1,205,498.35
  6. Step 6: Final answer
    x = 609,333.68

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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.