Home / 651,680.40-977,569.20-230,901.60

Finding the Fourth Proportional to 651,680.40, 977,569.20 and 230,901.60

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Solution

The fourth proportional to 651,680.40, 977,569.20 and 230,901.60 is: 346,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,680.40 : 977,569.20 = 230,901.60 : x
  2. Step 2: Convert to fraction form
    651,680.40/977,569.20 = 230,901.60/x
  3. Step 3: Cross multiply
    651,680.40x = 977,569.20 × 230,901.60
  4. Step 4: Simplify right side
    651,680.40x = 225,722,292,390.72
  5. Step 5: Solve for x
    x = 225,722,292,390.72/651,680.40
  6. Step 6: Final answer
    x = 346,369.62

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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.