Home / 946,815.51-1,306,613.76-538,943.61

Finding the Fourth Proportional to 946,815.51, 1,306,613.76 and 538,943.61

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Solution

The fourth proportional to 946,815.51, 1,306,613.76 and 538,943.61 is: 743,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,815.51 : 1,306,613.76 = 538,943.61 : x
  2. Step 2: Convert to fraction form
    946,815.51/1,306,613.76 = 538,943.61/x
  3. Step 3: Cross multiply
    946,815.51x = 1,306,613.76 × 538,943.61
  4. Step 4: Simplify right side
    946,815.51x = 704,191,139,247.19
  5. Step 5: Solve for x
    x = 704,191,139,247.19/946,815.51
  6. Step 6: Final answer
    x = 743,746.94

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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.