Home / 545,946.60-819,035.10-172,007.40

Finding the Fourth Proportional to 545,946.60, 819,035.10 and 172,007.40

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Solution

The fourth proportional to 545,946.60, 819,035.10 and 172,007.40 is: 258,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,946.60 : 819,035.10 = 172,007.40 : x
  2. Step 2: Convert to fraction form
    545,946.60/819,035.10 = 172,007.40/x
  3. Step 3: Cross multiply
    545,946.60x = 819,035.10 × 172,007.40
  4. Step 4: Simplify right side
    545,946.60x = 140,880,098,059.74
  5. Step 5: Solve for x
    x = 140,880,098,059.74/545,946.60
  6. Step 6: Final answer
    x = 258,047.40

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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.