Home / 1,173,572.64-1,619,532-637,028.64

Finding the Fourth Proportional to 1,173,572.64, 1,619,532 and 637,028.64

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Solution

The fourth proportional to 1,173,572.64, 1,619,532 and 637,028.64 is: 879,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,572.64 : 1,619,532 = 637,028.64 : x
  2. Step 2: Convert to fraction form
    1,173,572.64/1,619,532 = 637,028.64/x
  3. Step 3: Cross multiply
    1,173,572.64x = 1,619,532 × 637,028.64
  4. Step 4: Simplify right side
    1,173,572.64x = 1,031,688,267,396.48
  5. Step 5: Solve for x
    x = 1,031,688,267,396.48/1,173,572.64
  6. Step 6: Final answer
    x = 879,100.48

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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.