Home / 891,841.23-1,230,390.54-509,662.98

Finding the Fourth Proportional to 891,841.23, 1,230,390.54 and 509,662.98

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Solution

The fourth proportional to 891,841.23, 1,230,390.54 and 509,662.98 is: 703,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,841.23 : 1,230,390.54 = 509,662.98 : x
  2. Step 2: Convert to fraction form
    891,841.23/1,230,390.54 = 509,662.98/x
  3. Step 3: Cross multiply
    891,841.23x = 1,230,390.54 × 509,662.98
  4. Step 4: Simplify right side
    891,841.23x = 627,084,509,180.21
  5. Step 5: Solve for x
    x = 627,084,509,180.21/891,841.23
  6. Step 6: Final answer
    x = 703,134.69

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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.