Home / 1,658,666.40-2,487,999.60-818,858.40

Finding the Fourth Proportional to 1,658,666.40, 2,487,999.60 and 818,858.40

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Solution

The fourth proportional to 1,658,666.40, 2,487,999.60 and 818,858.40 is: 1,228,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,666.40 : 2,487,999.60 = 818,858.40 : x
  2. Step 2: Convert to fraction form
    1,658,666.40/2,487,999.60 = 818,858.40/x
  3. Step 3: Cross multiply
    1,658,666.40x = 2,487,999.60 × 818,858.40
  4. Step 4: Simplify right side
    1,658,666.40x = 2,037,319,371,656.64
  5. Step 5: Solve for x
    x = 2,037,319,371,656.64/1,658,666.40
  6. Step 6: Final answer
    x = 1,228,287.60

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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.