Home / 977,212.41-1,348,608.50-547,630.93

Finding the Fourth Proportional to 977,212.41, 1,348,608.50 and 547,630.93

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Solution

The fourth proportional to 977,212.41, 1,348,608.50 and 547,630.93 is: 755,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,212.41 : 1,348,608.50 = 547,630.93 : x
  2. Step 2: Convert to fraction form
    977,212.41/1,348,608.50 = 547,630.93/x
  3. Step 3: Cross multiply
    977,212.41x = 1,348,608.50 × 547,630.93
  4. Step 4: Simplify right side
    977,212.41x = 738,539,731,142.55
  5. Step 5: Solve for x
    x = 738,539,731,142.55/977,212.41
  6. Step 6: Final answer
    x = 755,761.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.