Home / 526,519.20-788,223.60-349,226.40

Finding the Fourth Proportional to 526,519.20, 788,223.60 and 349,226.40

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Solution

The fourth proportional to 526,519.20, 788,223.60 and 349,226.40 is: 522,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,519.20 : 788,223.60 = 349,226.40 : x
  2. Step 2: Convert to fraction form
    526,519.20/788,223.60 = 349,226.40/x
  3. Step 3: Cross multiply
    526,519.20x = 788,223.60 × 349,226.40
  4. Step 4: Simplify right side
    526,519.20x = 275,268,490,223.04
  5. Step 5: Solve for x
    x = 275,268,490,223.04/526,519.20
  6. Step 6: Final answer
    x = 522,808.08

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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.