Home / 623,311.90-936,004.65-343,030.30

Finding the Fourth Proportional to 623,311.90, 936,004.65 and 343,030.30

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Solution

The fourth proportional to 623,311.90, 936,004.65 and 343,030.30 is: 515,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,311.90 : 936,004.65 = 343,030.30 : x
  2. Step 2: Convert to fraction form
    623,311.90/936,004.65 = 343,030.30/x
  3. Step 3: Cross multiply
    623,311.90x = 936,004.65 × 343,030.30
  4. Step 4: Simplify right side
    623,311.90x = 321,077,955,890.90
  5. Step 5: Solve for x
    x = 321,077,955,890.90/623,311.90
  6. Step 6: Final answer
    x = 515,116.04

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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.