Home / 430,310.04-593,952.90-287,069.70

Finding the Fourth Proportional to 430,310.04, 593,952.90 and 287,069.70

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Solution

The fourth proportional to 430,310.04, 593,952.90 and 287,069.70 is: 396,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,310.04 : 593,952.90 = 287,069.70 : x
  2. Step 2: Convert to fraction form
    430,310.04/593,952.90 = 287,069.70/x
  3. Step 3: Cross multiply
    430,310.04x = 593,952.90 × 287,069.70
  4. Step 4: Simplify right side
    430,310.04x = 170,505,880,817.13
  5. Step 5: Solve for x
    x = 170,505,880,817.13/430,310.04
  6. Step 6: Final answer
    x = 396,239.61

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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.