Home / 545,718.40-818,577.60-166,638.40

Finding the Fourth Proportional to 545,718.40, 818,577.60 and 166,638.40

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Solution

The fourth proportional to 545,718.40, 818,577.60 and 166,638.40 is: 249,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,718.40 : 818,577.60 = 166,638.40 : x
  2. Step 2: Convert to fraction form
    545,718.40/818,577.60 = 166,638.40/x
  3. Step 3: Cross multiply
    545,718.40x = 818,577.60 × 166,638.40
  4. Step 4: Simplify right side
    545,718.40x = 136,406,461,539.84
  5. Step 5: Solve for x
    x = 136,406,461,539.84/545,718.40
  6. Step 6: Final answer
    x = 249,957.60

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Similar ratio
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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.