Home / 556,829.55-768,425.34-302,180.75

Finding the Fourth Proportional to 556,829.55, 768,425.34 and 302,180.75

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Solution

The fourth proportional to 556,829.55, 768,425.34 and 302,180.75 is: 417,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,829.55 : 768,425.34 = 302,180.75 : x
  2. Step 2: Convert to fraction form
    556,829.55/768,425.34 = 302,180.75/x
  3. Step 3: Cross multiply
    556,829.55x = 768,425.34 × 302,180.75
  4. Step 4: Simplify right side
    556,829.55x = 232,203,341,718.08
  5. Step 5: Solve for x
    x = 232,203,341,718.08/556,829.55
  6. Step 6: Final answer
    x = 417,009.73

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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.