Home / 572,905.40-859,709.10-236,107.40

Finding the Fourth Proportional to 572,905.40, 859,709.10 and 236,107.40

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Solution

The fourth proportional to 572,905.40, 859,709.10 and 236,107.40 is: 354,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,905.40 : 859,709.10 = 236,107.40 : x
  2. Step 2: Convert to fraction form
    572,905.40/859,709.10 = 236,107.40/x
  3. Step 3: Cross multiply
    572,905.40x = 859,709.10 × 236,107.40
  4. Step 4: Simplify right side
    572,905.40x = 202,983,680,357.34
  5. Step 5: Solve for x
    x = 202,983,680,357.34/572,905.40
  6. Step 6: Final answer
    x = 354,305.76

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Double scale
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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.