Home / 452,839.51-679,217.60-153,285.85

Finding the Fourth Proportional to 452,839.51, 679,217.60 and 153,285.85

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Solution

The fourth proportional to 452,839.51, 679,217.60 and 153,285.85 is: 229,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,839.51 : 679,217.60 = 153,285.85 : x
  2. Step 2: Convert to fraction form
    452,839.51/679,217.60 = 153,285.85/x
  3. Step 3: Cross multiply
    452,839.51x = 679,217.60 × 153,285.85
  4. Step 4: Simplify right side
    452,839.51x = 104,114,445,836.13
  5. Step 5: Solve for x
    x = 104,114,445,836.13/452,839.51
  6. Step 6: Final answer
    x = 229,914.67

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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.