Home / 1,042,100.28-1,562,333.84-411,486.12

Finding the Fourth Proportional to 1,042,100.28, 1,562,333.84 and 411,486.12

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Solution

The fourth proportional to 1,042,100.28, 1,562,333.84 and 411,486.12 is: 616,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,100.28 : 1,562,333.84 = 411,486.12 : x
  2. Step 2: Convert to fraction form
    1,042,100.28/1,562,333.84 = 411,486.12/x
  3. Step 3: Cross multiply
    1,042,100.28x = 1,562,333.84 × 411,486.12
  4. Step 4: Simplify right side
    1,042,100.28x = 642,878,689,966.30
  5. Step 5: Solve for x
    x = 642,878,689,966.30/1,042,100.28
  6. Step 6: Final answer
    x = 616,906.74

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1.5x scale

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.