Home / 450,316.76-621,432.40-246,365.60

Finding the Fourth Proportional to 450,316.76, 621,432.40 and 246,365.60

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Solution

The fourth proportional to 450,316.76, 621,432.40 and 246,365.60 is: 339,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,316.76 : 621,432.40 = 246,365.60 : x
  2. Step 2: Convert to fraction form
    450,316.76/621,432.40 = 246,365.60/x
  3. Step 3: Cross multiply
    450,316.76x = 621,432.40 × 246,365.60
  4. Step 4: Simplify right side
    450,316.76x = 153,099,566,085.44
  5. Step 5: Solve for x
    x = 153,099,566,085.44/450,316.76
  6. Step 6: Final answer
    x = 339,981.94

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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.