Home / 927,118.69-1,391,263.08-394,638.87

Finding the Fourth Proportional to 927,118.69, 1,391,263.08 and 394,638.87

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Solution

The fourth proportional to 927,118.69, 1,391,263.08 and 394,638.87 is: 592,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,118.69 : 1,391,263.08 = 394,638.87 : x
  2. Step 2: Convert to fraction form
    927,118.69/1,391,263.08 = 394,638.87/x
  3. Step 3: Cross multiply
    927,118.69x = 1,391,263.08 × 394,638.87
  4. Step 4: Simplify right side
    927,118.69x = 549,046,489,763.92
  5. Step 5: Solve for x
    x = 549,046,489,763.92/927,118.69
  6. Step 6: Final answer
    x = 592,207.34

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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.