Home / 706,475.20-1,059,712.80-307,566.40

Finding the Fourth Proportional to 706,475.20, 1,059,712.80 and 307,566.40

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Solution

The fourth proportional to 706,475.20, 1,059,712.80 and 307,566.40 is: 461,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,475.20 : 1,059,712.80 = 307,566.40 : x
  2. Step 2: Convert to fraction form
    706,475.20/1,059,712.80 = 307,566.40/x
  3. Step 3: Cross multiply
    706,475.20x = 1,059,712.80 × 307,566.40
  4. Step 4: Simplify right side
    706,475.20x = 325,932,050,929.92
  5. Step 5: Solve for x
    x = 325,932,050,929.92/706,475.20
  6. Step 6: Final answer
    x = 461,349.60

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Similar ratio
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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.