Home / 977,148.72-1,348,544.16-547,524.72

Finding the Fourth Proportional to 977,148.72, 1,348,544.16 and 547,524.72

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Solution

The fourth proportional to 977,148.72, 1,348,544.16 and 547,524.72 is: 755,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,148.72 : 1,348,544.16 = 547,524.72 : x
  2. Step 2: Convert to fraction form
    977,148.72/1,348,544.16 = 547,524.72/x
  3. Step 3: Cross multiply
    977,148.72x = 1,348,544.16 × 547,524.72
  4. Step 4: Simplify right side
    977,148.72x = 738,361,263,611.64
  5. Step 5: Solve for x
    x = 738,361,263,611.64/977,148.72
  6. Step 6: Final answer
    x = 755,628.34

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Double scale
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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.