Home / 623,118.30-859,903.68-336,638.28

Finding the Fourth Proportional to 623,118.30, 859,903.68 and 336,638.28

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Solution

The fourth proportional to 623,118.30, 859,903.68 and 336,638.28 is: 464,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,118.30 : 859,903.68 = 336,638.28 : x
  2. Step 2: Convert to fraction form
    623,118.30/859,903.68 = 336,638.28/x
  3. Step 3: Cross multiply
    623,118.30x = 859,903.68 × 336,638.28
  4. Step 4: Simplify right side
    623,118.30x = 289,476,495,800.87
  5. Step 5: Solve for x
    x = 289,476,495,800.87/623,118.30
  6. Step 6: Final answer
    x = 464,561.06

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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.