Home / 526,516.20-788,219.10-349,223.40

Finding the Fourth Proportional to 526,516.20, 788,219.10 and 349,223.40

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Solution

The fourth proportional to 526,516.20, 788,219.10 and 349,223.40 is: 522,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,516.20 : 788,219.10 = 349,223.40 : x
  2. Step 2: Convert to fraction form
    526,516.20/788,219.10 = 349,223.40/x
  3. Step 3: Cross multiply
    526,516.20x = 788,219.10 × 349,223.40
  4. Step 4: Simplify right side
    526,516.20x = 275,264,554,046.94
  5. Step 5: Solve for x
    x = 275,264,554,046.94/526,516.20
  6. Step 6: Final answer
    x = 522,803.58

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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.