Home / 891,003.85-1,336,505.78-417,737.05

Finding the Fourth Proportional to 891,003.85, 1,336,505.78 and 417,737.05

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Solution

The fourth proportional to 891,003.85, 1,336,505.78 and 417,737.05 is: 626,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,003.85 : 1,336,505.78 = 417,737.05 : x
  2. Step 2: Convert to fraction form
    891,003.85/1,336,505.78 = 417,737.05/x
  3. Step 3: Cross multiply
    891,003.85x = 1,336,505.78 × 417,737.05
  4. Step 4: Simplify right side
    891,003.85x = 558,307,979,756.46
  5. Step 5: Solve for x
    x = 558,307,979,756.46/891,003.85
  6. Step 6: Final answer
    x = 626,605.58

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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.