Home / 430,146.06-593,598.27-239,157.78

Finding the Fourth Proportional to 430,146.06, 593,598.27 and 239,157.78

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Solution

The fourth proportional to 430,146.06, 593,598.27 and 239,157.78 is: 330,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,146.06 : 593,598.27 = 239,157.78 : x
  2. Step 2: Convert to fraction form
    430,146.06/593,598.27 = 239,157.78/x
  3. Step 3: Cross multiply
    430,146.06x = 593,598.27 × 239,157.78
  4. Step 4: Simplify right side
    430,146.06x = 141,963,644,465.04
  5. Step 5: Solve for x
    x = 141,963,644,465.04/430,146.06
  6. Step 6: Final answer
    x = 330,035.91

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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.