Home / 369,638.03-510,303.58-240,688.86

Finding the Fourth Proportional to 369,638.03, 510,303.58 and 240,688.86

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Solution

The fourth proportional to 369,638.03, 510,303.58 and 240,688.86 is: 332,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,638.03 : 510,303.58 = 240,688.86 : x
  2. Step 2: Convert to fraction form
    369,638.03/510,303.58 = 240,688.86/x
  3. Step 3: Cross multiply
    369,638.03x = 510,303.58 × 240,688.86
  4. Step 4: Simplify right side
    369,638.03x = 122,824,385,720.68
  5. Step 5: Solve for x
    x = 122,824,385,720.68/369,638.03
  6. Step 6: Final answer
    x = 332,282.88

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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.