Home / 873,635.48-1,310,014.69-509,015.11

Finding the Fourth Proportional to 873,635.48, 1,310,014.69 and 509,015.11

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Solution

The fourth proportional to 873,635.48, 1,310,014.69 and 509,015.11 is: 763,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,635.48 : 1,310,014.69 = 509,015.11 : x
  2. Step 2: Convert to fraction form
    873,635.48/1,310,014.69 = 509,015.11/x
  3. Step 3: Cross multiply
    873,635.48x = 1,310,014.69 × 509,015.11
  4. Step 4: Simplify right side
    873,635.48x = 666,817,271,531.97
  5. Step 5: Solve for x
    x = 666,817,271,531.97/873,635.48
  6. Step 6: Final answer
    x = 763,267.16

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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.