Home / 336,031.40-503,463.90-315,036.20

Finding the Fourth Proportional to 336,031.40, 503,463.90 and 315,036.20

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Solution

The fourth proportional to 336,031.40, 503,463.90 and 315,036.20 is: 472,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,031.40 : 503,463.90 = 315,036.20 : x
  2. Step 2: Convert to fraction form
    336,031.40/503,463.90 = 315,036.20/x
  3. Step 3: Cross multiply
    336,031.40x = 503,463.90 × 315,036.20
  4. Step 4: Simplify right side
    336,031.40x = 158,609,353,893.18
  5. Step 5: Solve for x
    x = 158,609,353,893.18/336,031.40
  6. Step 6: Final answer
    x = 472,007.54

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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.