Home / 913,750.50-1,260,800.73-591,415.86

Finding the Fourth Proportional to 913,750.50, 1,260,800.73 and 591,415.86

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Solution

The fourth proportional to 913,750.50, 1,260,800.73 and 591,415.86 is: 816,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,750.50 : 1,260,800.73 = 591,415.86 : x
  2. Step 2: Convert to fraction form
    913,750.50/1,260,800.73 = 591,415.86/x
  3. Step 3: Cross multiply
    913,750.50x = 1,260,800.73 × 591,415.86
  4. Step 4: Simplify right side
    913,750.50x = 745,657,548,021.58
  5. Step 5: Solve for x
    x = 745,657,548,021.58/913,750.50
  6. Step 6: Final answer
    x = 816,040.65

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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.