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Finding the Fourth Proportional to 887,880.98, 1,225,201.66 and 500,674.70

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Solution

The fourth proportional to 887,880.98, 1,225,201.66 and 500,674.70 is: 690,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,880.98 : 1,225,201.66 = 500,674.70 : x
  2. Step 2: Convert to fraction form
    887,880.98/1,225,201.66 = 500,674.70/x
  3. Step 3: Cross multiply
    887,880.98x = 1,225,201.66 × 500,674.70
  4. Step 4: Simplify right side
    887,880.98x = 613,427,466,182.31
  5. Step 5: Solve for x
    x = 613,427,466,182.31/887,880.98
  6. Step 6: Final answer
    x = 690,889.30

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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.