Home / 526,913.72-790,405.77-185,316.16

Finding the Fourth Proportional to 526,913.72, 790,405.77 and 185,316.16

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Solution

The fourth proportional to 526,913.72, 790,405.77 and 185,316.16 is: 277,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,913.72 : 790,405.77 = 185,316.16 : x
  2. Step 2: Convert to fraction form
    526,913.72/790,405.77 = 185,316.16/x
  3. Step 3: Cross multiply
    526,913.72x = 790,405.77 × 185,316.16
  4. Step 4: Simplify right side
    526,913.72x = 146,474,962,138.24
  5. Step 5: Solve for x
    x = 146,474,962,138.24/526,913.72
  6. Step 6: Final answer
    x = 277,986.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.