Home / 634,011.25-875,025.03-392,371.65

Finding the Fourth Proportional to 634,011.25, 875,025.03 and 392,371.65

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Solution

The fourth proportional to 634,011.25, 875,025.03 and 392,371.65 is: 541,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,011.25 : 875,025.03 = 392,371.65 : x
  2. Step 2: Convert to fraction form
    634,011.25/875,025.03 = 392,371.65/x
  3. Step 3: Cross multiply
    634,011.25x = 875,025.03 × 392,371.65
  4. Step 4: Simplify right side
    634,011.25x = 343,335,014,812.40
  5. Step 5: Solve for x
    x = 343,335,014,812.40/634,011.25
  6. Step 6: Final answer
    x = 541,528.27

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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.