Home / 762,438.92-1,052,162.34-435,746.48

Finding the Fourth Proportional to 762,438.92, 1,052,162.34 and 435,746.48

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Solution

The fourth proportional to 762,438.92, 1,052,162.34 and 435,746.48 is: 601,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,438.92 : 1,052,162.34 = 435,746.48 : x
  2. Step 2: Convert to fraction form
    762,438.92/1,052,162.34 = 435,746.48/x
  3. Step 3: Cross multiply
    762,438.92x = 1,052,162.34 × 435,746.48
  4. Step 4: Simplify right side
    762,438.92x = 458,476,036,043.56
  5. Step 5: Solve for x
    x = 458,476,036,043.56/762,438.92
  6. Step 6: Final answer
    x = 601,328.22

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Double scale
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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.