Home / 1,012,669.10-1,518,109.68-382,025.78

Finding the Fourth Proportional to 1,012,669.10, 1,518,109.68 and 382,025.78

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Solution

The fourth proportional to 1,012,669.10, 1,518,109.68 and 382,025.78 is: 572,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,669.10 : 1,518,109.68 = 382,025.78 : x
  2. Step 2: Convert to fraction form
    1,012,669.10/1,518,109.68 = 382,025.78/x
  3. Step 3: Cross multiply
    1,012,669.10x = 1,518,109.68 × 382,025.78
  4. Step 4: Simplify right side
    1,012,669.10x = 579,957,034,627.55
  5. Step 5: Solve for x
    x = 579,957,034,627.55/1,012,669.10
  6. Step 6: Final answer
    x = 572,701.42

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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.