Home / 755,828.04-1,043,043.76-411,665.32

Finding the Fourth Proportional to 755,828.04, 1,043,043.76 and 411,665.32

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Solution

The fourth proportional to 755,828.04, 1,043,043.76 and 411,665.32 is: 568,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,828.04 : 1,043,043.76 = 411,665.32 : x
  2. Step 2: Convert to fraction form
    755,828.04/1,043,043.76 = 411,665.32/x
  3. Step 3: Cross multiply
    755,828.04x = 1,043,043.76 × 411,665.32
  4. Step 4: Simplify right side
    755,828.04x = 429,384,943,234.40
  5. Step 5: Solve for x
    x = 429,384,943,234.40/755,828.04
  6. Step 6: Final answer
    x = 568,098.72

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1.5x scale

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.