Home / 1,090,815.66-1,505,321.82-607,386.60

Finding the Fourth Proportional to 1,090,815.66, 1,505,321.82 and 607,386.60

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Solution

The fourth proportional to 1,090,815.66, 1,505,321.82 and 607,386.60 is: 838,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,815.66 : 1,505,321.82 = 607,386.60 : x
  2. Step 2: Convert to fraction form
    1,090,815.66/1,505,321.82 = 607,386.60/x
  3. Step 3: Cross multiply
    1,090,815.66x = 1,505,321.82 × 607,386.60
  4. Step 4: Simplify right side
    1,090,815.66x = 914,312,302,155.61
  5. Step 5: Solve for x
    x = 914,312,302,155.61/1,090,815.66
  6. Step 6: Final answer
    x = 838,191.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.