Home / 651,636.40-977,503.20-230,857.60

Finding the Fourth Proportional to 651,636.40, 977,503.20 and 230,857.60

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Solution

The fourth proportional to 651,636.40, 977,503.20 and 230,857.60 is: 346,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,636.40 : 977,503.20 = 230,857.60 : x
  2. Step 2: Convert to fraction form
    651,636.40/977,503.20 = 230,857.60/x
  3. Step 3: Cross multiply
    651,636.40x = 977,503.20 × 230,857.60
  4. Step 4: Simplify right side
    651,636.40x = 225,664,042,744.32
  5. Step 5: Solve for x
    x = 225,664,042,744.32/651,636.40
  6. Step 6: Final answer
    x = 346,303.62

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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.