Home / 818,808.84-1,129,958.52-474,711.60

Finding the Fourth Proportional to 818,808.84, 1,129,958.52 and 474,711.60

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Solution

The fourth proportional to 818,808.84, 1,129,958.52 and 474,711.60 is: 655,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,808.84 : 1,129,958.52 = 474,711.60 : x
  2. Step 2: Convert to fraction form
    818,808.84/1,129,958.52 = 474,711.60/x
  3. Step 3: Cross multiply
    818,808.84x = 1,129,958.52 × 474,711.60
  4. Step 4: Simplify right side
    818,808.84x = 536,404,416,962.83
  5. Step 5: Solve for x
    x = 536,404,416,962.83/818,808.84
  6. Step 6: Final answer
    x = 655,103.35

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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.