Home / 430,073.42-593,521.58-239,090

Finding the Fourth Proportional to 430,073.42, 593,521.58 and 239,090

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Solution

The fourth proportional to 430,073.42, 593,521.58 and 239,090 is: 329,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,073.42 : 593,521.58 = 239,090 : x
  2. Step 2: Convert to fraction form
    430,073.42/593,521.58 = 239,090/x
  3. Step 3: Cross multiply
    430,073.42x = 593,521.58 × 239,090
  4. Step 4: Simplify right side
    430,073.42x = 141,905,074,562.20
  5. Step 5: Solve for x
    x = 141,905,074,562.20/430,073.42
  6. Step 6: Final answer
    x = 329,955.46

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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.