Home / 1,120,940.34-1,546,931.74-637,575

Finding the Fourth Proportional to 1,120,940.34, 1,546,931.74 and 637,575

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Solution

The fourth proportional to 1,120,940.34, 1,546,931.74 and 637,575 is: 879,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,940.34 : 1,546,931.74 = 637,575 : x
  2. Step 2: Convert to fraction form
    1,120,940.34/1,546,931.74 = 637,575/x
  3. Step 3: Cross multiply
    1,120,940.34x = 1,546,931.74 × 637,575
  4. Step 4: Simplify right side
    1,120,940.34x = 986,285,004,130.50
  5. Step 5: Solve for x
    x = 986,285,004,130.50/1,120,940.34
  6. Step 6: Final answer
    x = 879,872.88

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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.