Home / 1,120,587.45-1,546,483.76-637,197.57

Finding the Fourth Proportional to 1,120,587.45, 1,546,483.76 and 637,197.57

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Solution

The fourth proportional to 1,120,587.45, 1,546,483.76 and 637,197.57 is: 879,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,587.45 : 1,546,483.76 = 637,197.57 : x
  2. Step 2: Convert to fraction form
    1,120,587.45/1,546,483.76 = 637,197.57/x
  3. Step 3: Cross multiply
    1,120,587.45x = 1,546,483.76 × 637,197.57
  4. Step 4: Simplify right side
    1,120,587.45x = 985,415,693,916.46
  5. Step 5: Solve for x
    x = 985,415,693,916.46/1,120,587.45
  6. Step 6: Final answer
    x = 879,374.20

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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.