Home / 1,042,205.80-1,563,827.10-411,140.20

Finding the Fourth Proportional to 1,042,205.80, 1,563,827.10 and 411,140.20

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Solution

The fourth proportional to 1,042,205.80, 1,563,827.10 and 411,140.20 is: 616,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,205.80 : 1,563,827.10 = 411,140.20 : x
  2. Step 2: Convert to fraction form
    1,042,205.80/1,563,827.10 = 411,140.20/x
  3. Step 3: Cross multiply
    1,042,205.80x = 1,563,827.10 × 411,140.20
  4. Step 4: Simplify right side
    1,042,205.80x = 642,952,186,659.42
  5. Step 5: Solve for x
    x = 642,952,186,659.42/1,042,205.80
  6. Step 6: Final answer
    x = 616,914.80

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Double scale
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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.