Home / 651,608.40-977,461.20-230,829.60

Finding the Fourth Proportional to 651,608.40, 977,461.20 and 230,829.60

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Solution

The fourth proportional to 651,608.40, 977,461.20 and 230,829.60 is: 346,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,608.40 : 977,461.20 = 230,829.60 : x
  2. Step 2: Convert to fraction form
    651,608.40/977,461.20 = 230,829.60/x
  3. Step 3: Cross multiply
    651,608.40x = 977,461.20 × 230,829.60
  4. Step 4: Simplify right side
    651,608.40x = 225,626,977,811.52
  5. Step 5: Solve for x
    x = 225,626,977,811.52/651,608.40
  6. Step 6: Final answer
    x = 346,261.62

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Half scale
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Double scale
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Similar ratio
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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.