Home / 771,023.42-1,064,573.63-618,898.44

Finding the Fourth Proportional to 771,023.42, 1,064,573.63 and 618,898.44

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Solution

The fourth proportional to 771,023.42, 1,064,573.63 and 618,898.44 is: 854,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,023.42 : 1,064,573.63 = 618,898.44 : x
  2. Step 2: Convert to fraction form
    771,023.42/1,064,573.63 = 618,898.44/x
  3. Step 3: Cross multiply
    771,023.42x = 1,064,573.63 × 618,898.44
  4. Step 4: Simplify right side
    771,023.42x = 658,862,955,777.65
  5. Step 5: Solve for x
    x = 658,862,955,777.65/771,023.42
  6. Step 6: Final answer
    x = 854,530.41

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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.