Home / 623,001.78-859,742.64-336,522.06

Finding the Fourth Proportional to 623,001.78, 859,742.64 and 336,522.06

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Solution

The fourth proportional to 623,001.78, 859,742.64 and 336,522.06 is: 464,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,001.78 : 859,742.64 = 336,522.06 : x
  2. Step 2: Convert to fraction form
    623,001.78/859,742.64 = 336,522.06/x
  3. Step 3: Cross multiply
    623,001.78x = 859,742.64 × 336,522.06
  4. Step 4: Simplify right side
    623,001.78x = 289,322,364,282.64
  5. Step 5: Solve for x
    x = 289,322,364,282.64/623,001.78
  6. Step 6: Final answer
    x = 464,400.54

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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.