Home / 623,136.32-859,928.52-336,656.28

Finding the Fourth Proportional to 623,136.32, 859,928.52 and 336,656.28

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Solution

The fourth proportional to 623,136.32, 859,928.52 and 336,656.28 is: 464,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,136.32 : 859,928.52 = 336,656.28 : x
  2. Step 2: Convert to fraction form
    623,136.32/859,928.52 = 336,656.28/x
  3. Step 3: Cross multiply
    623,136.32x = 859,928.52 × 336,656.28
  4. Step 4: Simplify right side
    623,136.32x = 289,500,336,609.11
  5. Step 5: Solve for x
    x = 289,500,336,609.11/623,136.32
  6. Step 6: Final answer
    x = 464,585.88

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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.