Home / 1,113,513.28-1,669,452-354,918.40

Finding the Fourth Proportional to 1,113,513.28, 1,669,452 and 354,918.40

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Solution

The fourth proportional to 1,113,513.28, 1,669,452 and 354,918.40 is: 532,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,513.28 : 1,669,452 = 354,918.40 : x
  2. Step 2: Convert to fraction form
    1,113,513.28/1,669,452 = 354,918.40/x
  3. Step 3: Cross multiply
    1,113,513.28x = 1,669,452 × 354,918.40
  4. Step 4: Simplify right side
    1,113,513.28x = 592,519,232,716.80
  5. Step 5: Solve for x
    x = 592,519,232,716.80/1,113,513.28
  6. Step 6: Final answer
    x = 532,116.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.