Home / 554,401.30-831,704.55-175,417.45

Finding the Fourth Proportional to 554,401.30, 831,704.55 and 175,417.45

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Solution

The fourth proportional to 554,401.30, 831,704.55 and 175,417.45 is: 263,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,401.30 : 831,704.55 = 175,417.45 : x
  2. Step 2: Convert to fraction form
    554,401.30/831,704.55 = 175,417.45/x
  3. Step 3: Cross multiply
    554,401.30x = 831,704.55 × 175,417.45
  4. Step 4: Simplify right side
    554,401.30x = 145,895,491,314.40
  5. Step 5: Solve for x
    x = 145,895,491,314.40/554,401.30
  6. Step 6: Final answer
    x = 263,158.64

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1.5x scale

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.