Home / 641,566.78-885,284.49-369,723.76

Finding the Fourth Proportional to 641,566.78, 885,284.49 and 369,723.76

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Solution

The fourth proportional to 641,566.78, 885,284.49 and 369,723.76 is: 510,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,566.78 : 885,284.49 = 369,723.76 : x
  2. Step 2: Convert to fraction form
    641,566.78/885,284.49 = 369,723.76/x
  3. Step 3: Cross multiply
    641,566.78x = 885,284.49 × 369,723.76
  4. Step 4: Simplify right side
    641,566.78x = 327,310,710,312.48
  5. Step 5: Solve for x
    x = 327,310,710,312.48/641,566.78
  6. Step 6: Final answer
    x = 510,174.03

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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.