Home / 785,577.73-1,084,511.54-528,804.69

Finding the Fourth Proportional to 785,577.73, 1,084,511.54 and 528,804.69

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Solution

The fourth proportional to 785,577.73, 1,084,511.54 and 528,804.69 is: 730,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,577.73 : 1,084,511.54 = 528,804.69 : x
  2. Step 2: Convert to fraction form
    785,577.73/1,084,511.54 = 528,804.69/x
  3. Step 3: Cross multiply
    785,577.73x = 1,084,511.54 × 528,804.69
  4. Step 4: Simplify right side
    785,577.73x = 573,494,788,711.12
  5. Step 5: Solve for x
    x = 573,494,788,711.12/785,577.73
  6. Step 6: Final answer
    x = 730,029.34

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Double scale
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1.5x scale

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.