Home / 942,920.58-1,301,257.98-513,228.54

Finding the Fourth Proportional to 942,920.58, 1,301,257.98 and 513,228.54

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Solution

The fourth proportional to 942,920.58, 1,301,257.98 and 513,228.54 is: 708,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,920.58 : 1,301,257.98 = 513,228.54 : x
  2. Step 2: Convert to fraction form
    942,920.58/1,301,257.98 = 513,228.54/x
  3. Step 3: Cross multiply
    942,920.58x = 1,301,257.98 × 513,228.54
  4. Step 4: Simplify right side
    942,920.58x = 667,842,733,238.75
  5. Step 5: Solve for x
    x = 667,842,733,238.75/942,920.58
  6. Step 6: Final answer
    x = 708,270.40

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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.