Home / 811,907.60-1,216,824.60-623,987.60

Finding the Fourth Proportional to 811,907.60, 1,216,824.60 and 623,987.60

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Solution

The fourth proportional to 811,907.60, 1,216,824.60 and 623,987.60 is: 935,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,907.60 : 1,216,824.60 = 623,987.60 : x
  2. Step 2: Convert to fraction form
    811,907.60/1,216,824.60 = 623,987.60/x
  3. Step 3: Cross multiply
    811,907.60x = 1,216,824.60 × 623,987.60
  4. Step 4: Simplify right side
    811,907.60x = 759,283,461,774.96
  5. Step 5: Solve for x
    x = 759,283,461,774.96/811,907.60
  6. Step 6: Final answer
    x = 935,184.57

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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.