Home / 977,055.60-1,467,138.60-662,905.20

Finding the Fourth Proportional to 977,055.60, 1,467,138.60 and 662,905.20

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Solution

The fourth proportional to 977,055.60, 1,467,138.60 and 662,905.20 is: 995,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,055.60 : 1,467,138.60 = 662,905.20 : x
  2. Step 2: Convert to fraction form
    977,055.60/1,467,138.60 = 662,905.20/x
  3. Step 3: Cross multiply
    977,055.60x = 1,467,138.60 × 662,905.20
  4. Step 4: Simplify right side
    977,055.60x = 972,573,807,060.72
  5. Step 5: Solve for x
    x = 972,573,807,060.72/977,055.60
  6. Step 6: Final answer
    x = 995,412.96

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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.