Home / 1,120,400.43-1,546,283.31-637,038

Finding the Fourth Proportional to 1,120,400.43, 1,546,283.31 and 637,038

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Solution

The fourth proportional to 1,120,400.43, 1,546,283.31 and 637,038 is: 879,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,400.43 : 1,546,283.31 = 637,038 : x
  2. Step 2: Convert to fraction form
    1,120,400.43/1,546,283.31 = 637,038/x
  3. Step 3: Cross multiply
    1,120,400.43x = 1,546,283.31 × 637,038
  4. Step 4: Simplify right side
    1,120,400.43x = 985,041,227,235.78
  5. Step 5: Solve for x
    x = 985,041,227,235.78/1,120,400.43
  6. Step 6: Final answer
    x = 879,186.76

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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.