Home / 641,185.74-884,845.64-369,302.46

Finding the Fourth Proportional to 641,185.74, 884,845.64 and 369,302.46

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Solution

The fourth proportional to 641,185.74, 884,845.64 and 369,302.46 is: 509,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,185.74 : 884,845.64 = 369,302.46 : x
  2. Step 2: Convert to fraction form
    641,185.74/884,845.64 = 369,302.46/x
  3. Step 3: Cross multiply
    641,185.74x = 884,845.64 × 369,302.46
  4. Step 4: Simplify right side
    641,185.74x = 326,775,671,572.27
  5. Step 5: Solve for x
    x = 326,775,671,572.27/641,185.74
  6. Step 6: Final answer
    x = 509,642.76

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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.