Home / 770,024.02-1,149,396.08-679,122.58

Finding the Fourth Proportional to 770,024.02, 1,149,396.08 and 679,122.58

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Solution

The fourth proportional to 770,024.02, 1,149,396.08 and 679,122.58 is: 1,013,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,024.02 : 1,149,396.08 = 679,122.58 : x
  2. Step 2: Convert to fraction form
    770,024.02/1,149,396.08 = 679,122.58/x
  3. Step 3: Cross multiply
    770,024.02x = 1,149,396.08 × 679,122.58
  4. Step 4: Simplify right side
    770,024.02x = 780,580,831,291.49
  5. Step 5: Solve for x
    x = 780,580,831,291.49/770,024.02
  6. Step 6: Final answer
    x = 1,013,709.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.