Home / 623,005.28-859,747.22-336,525.40

Finding the Fourth Proportional to 623,005.28, 859,747.22 and 336,525.40

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Solution

The fourth proportional to 623,005.28, 859,747.22 and 336,525.40 is: 464,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,005.28 : 859,747.22 = 336,525.40 : x
  2. Step 2: Convert to fraction form
    623,005.28/859,747.22 = 336,525.40/x
  3. Step 3: Cross multiply
    623,005.28x = 859,747.22 × 336,525.40
  4. Step 4: Simplify right side
    623,005.28x = 289,326,777,109.39
  5. Step 5: Solve for x
    x = 289,326,777,109.39/623,005.28
  6. Step 6: Final answer
    x = 464,405.02

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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.