Home / 430,736.08-593,133.83-421,177.86

Finding the Fourth Proportional to 430,736.08, 593,133.83 and 421,177.86

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Solution

The fourth proportional to 430,736.08, 593,133.83 and 421,177.86 is: 579,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,736.08 : 593,133.83 = 421,177.86 : x
  2. Step 2: Convert to fraction form
    430,736.08/593,133.83 = 421,177.86/x
  3. Step 3: Cross multiply
    430,736.08x = 593,133.83 × 421,177.86
  4. Step 4: Simplify right side
    430,736.08x = 249,814,840,490.20
  5. Step 5: Solve for x
    x = 249,814,840,490.20/430,736.08
  6. Step 6: Final answer
    x = 579,971.94

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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.