Home / 450,623.76-621,890.88-259,649.52

Finding the Fourth Proportional to 450,623.76, 621,890.88 and 259,649.52

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Solution

The fourth proportional to 450,623.76, 621,890.88 and 259,649.52 is: 358,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,623.76 : 621,890.88 = 259,649.52 : x
  2. Step 2: Convert to fraction form
    450,623.76/621,890.88 = 259,649.52/x
  3. Step 3: Cross multiply
    450,623.76x = 621,890.88 × 259,649.52
  4. Step 4: Simplify right side
    450,623.76x = 161,473,668,484.38
  5. Step 5: Solve for x
    x = 161,473,668,484.38/450,623.76
  6. Step 6: Final answer
    x = 358,333.68

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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.