Home / 543,946.34-815,918.61-144,587.11

Finding the Fourth Proportional to 543,946.34, 815,918.61 and 144,587.11

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Solution

The fourth proportional to 543,946.34, 815,918.61 and 144,587.11 is: 216,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,946.34 : 815,918.61 = 144,587.11 : x
  2. Step 2: Convert to fraction form
    543,946.34/815,918.61 = 144,587.11/x
  3. Step 3: Cross multiply
    543,946.34x = 815,918.61 × 144,587.11
  4. Step 4: Simplify right side
    543,946.34x = 117,971,313,815.12
  5. Step 5: Solve for x
    x = 117,971,313,815.12/543,946.34
  6. Step 6: Final answer
    x = 216,880.43

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1.5x scale

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.