Home / 770,543.11-1,063,291.75-430,945.75

Finding the Fourth Proportional to 770,543.11, 1,063,291.75 and 430,945.75

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Solution

The fourth proportional to 770,543.11, 1,063,291.75 and 430,945.75 is: 594,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,543.11 : 1,063,291.75 = 430,945.75 : x
  2. Step 2: Convert to fraction form
    770,543.11/1,063,291.75 = 430,945.75/x
  3. Step 3: Cross multiply
    770,543.11x = 1,063,291.75 × 430,945.75
  4. Step 4: Simplify right side
    770,543.11x = 458,221,060,672.56
  5. Step 5: Solve for x
    x = 458,221,060,672.56/770,543.11
  6. Step 6: Final answer
    x = 594,672.84

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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.