Home / 886,905.40-1,330,530.90-354,335.80

Finding the Fourth Proportional to 886,905.40, 1,330,530.90 and 354,335.80

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Solution

The fourth proportional to 886,905.40, 1,330,530.90 and 354,335.80 is: 531,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,905.40 : 1,330,530.90 = 354,335.80 : x
  2. Step 2: Convert to fraction form
    886,905.40/1,330,530.90 = 354,335.80/x
  3. Step 3: Cross multiply
    886,905.40x = 1,330,530.90 × 354,335.80
  4. Step 4: Simplify right side
    886,905.40x = 471,454,730,876.22
  5. Step 5: Solve for x
    x = 471,454,730,876.22/886,905.40
  6. Step 6: Final answer
    x = 531,572.74

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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.