Home / 430,296.16-593,763.12-239,278.72

Finding the Fourth Proportional to 430,296.16, 593,763.12 and 239,278.72

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Solution

The fourth proportional to 430,296.16, 593,763.12 and 239,278.72 is: 330,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,296.16 : 593,763.12 = 239,278.72 : x
  2. Step 2: Convert to fraction form
    430,296.16/593,763.12 = 239,278.72/x
  3. Step 3: Cross multiply
    430,296.16x = 593,763.12 × 239,278.72
  4. Step 4: Simplify right side
    430,296.16x = 142,074,879,336.81
  5. Step 5: Solve for x
    x = 142,074,879,336.81/430,296.16
  6. Step 6: Final answer
    x = 330,179.29

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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.