Home / 651,625.20-977,437.80-230,943.60

Finding the Fourth Proportional to 651,625.20, 977,437.80 and 230,943.60

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Solution

The fourth proportional to 651,625.20, 977,437.80 and 230,943.60 is: 346,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,625.20 : 977,437.80 = 230,943.60 : x
  2. Step 2: Convert to fraction form
    651,625.20/977,437.80 = 230,943.60/x
  3. Step 3: Cross multiply
    651,625.20x = 977,437.80 × 230,943.60
  4. Step 4: Simplify right side
    651,625.20x = 225,733,004,308.08
  5. Step 5: Solve for x
    x = 225,733,004,308.08/651,625.20
  6. Step 6: Final answer
    x = 346,415.40

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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.