Home / 891,621.60-1,230,437.66-509,656.58

Finding the Fourth Proportional to 891,621.60, 1,230,437.66 and 509,656.58

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Solution

The fourth proportional to 891,621.60, 1,230,437.66 and 509,656.58 is: 703,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,621.60 : 1,230,437.66 = 509,656.58 : x
  2. Step 2: Convert to fraction form
    891,621.60/1,230,437.66 = 509,656.58/x
  3. Step 3: Cross multiply
    891,621.60x = 1,230,437.66 × 509,656.58
  4. Step 4: Simplify right side
    891,621.60x = 627,100,649,698.80
  5. Step 5: Solve for x
    x = 627,100,649,698.80/891,621.60
  6. Step 6: Final answer
    x = 703,326.00

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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.