Home / 369,890.01-509,983.49-301,837.86

Finding the Fourth Proportional to 369,890.01, 509,983.49 and 301,837.86

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Solution

The fourth proportional to 369,890.01, 509,983.49 and 301,837.86 is: 416,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,890.01 : 509,983.49 = 301,837.86 : x
  2. Step 2: Convert to fraction form
    369,890.01/509,983.49 = 301,837.86/x
  3. Step 3: Cross multiply
    369,890.01x = 509,983.49 × 301,837.86
  4. Step 4: Simplify right side
    369,890.01x = 153,932,323,747.74
  5. Step 5: Solve for x
    x = 153,932,323,747.74/369,890.01
  6. Step 6: Final answer
    x = 416,157.02

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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.