Home / 736,915.60-1,105,373.40-512,966.80

Finding the Fourth Proportional to 736,915.60, 1,105,373.40 and 512,966.80

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Solution

The fourth proportional to 736,915.60, 1,105,373.40 and 512,966.80 is: 769,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,915.60 : 1,105,373.40 = 512,966.80 : x
  2. Step 2: Convert to fraction form
    736,915.60/1,105,373.40 = 512,966.80/x
  3. Step 3: Cross multiply
    736,915.60x = 1,105,373.40 × 512,966.80
  4. Step 4: Simplify right side
    736,915.60x = 567,019,855,803.12
  5. Step 5: Solve for x
    x = 567,019,855,803.12/736,915.60
  6. Step 6: Final answer
    x = 769,450.20

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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.