Home / 841,308.48-1,261,962.72-447,232.32

Finding the Fourth Proportional to 841,308.48, 1,261,962.72 and 447,232.32

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Solution

The fourth proportional to 841,308.48, 1,261,962.72 and 447,232.32 is: 670,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,308.48 : 1,261,962.72 = 447,232.32 : x
  2. Step 2: Convert to fraction form
    841,308.48/1,261,962.72 = 447,232.32/x
  3. Step 3: Cross multiply
    841,308.48x = 1,261,962.72 × 447,232.32
  4. Step 4: Simplify right side
    841,308.48x = 564,390,515,019.11
  5. Step 5: Solve for x
    x = 564,390,515,019.11/841,308.48
  6. Step 6: Final answer
    x = 670,848.48

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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.