Home / 452,823.40-679,235.10-186,495.40

Finding the Fourth Proportional to 452,823.40, 679,235.10 and 186,495.40

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Solution

The fourth proportional to 452,823.40, 679,235.10 and 186,495.40 is: 279,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,823.40 : 679,235.10 = 186,495.40 : x
  2. Step 2: Convert to fraction form
    452,823.40/679,235.10 = 186,495.40/x
  3. Step 3: Cross multiply
    452,823.40x = 679,235.10 × 186,495.40
  4. Step 4: Simplify right side
    452,823.40x = 126,674,221,668.54
  5. Step 5: Solve for x
    x = 126,674,221,668.54/452,823.40
  6. Step 6: Final answer
    x = 279,743.10

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Similar ratio
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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.