Home / 976,447.08-1,347,437.52-540,838.61

Finding the Fourth Proportional to 976,447.08, 1,347,437.52 and 540,838.61

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Solution

The fourth proportional to 976,447.08, 1,347,437.52 and 540,838.61 is: 746,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,447.08 : 1,347,437.52 = 540,838.61 : x
  2. Step 2: Convert to fraction form
    976,447.08/1,347,437.52 = 540,838.61/x
  3. Step 3: Cross multiply
    976,447.08x = 1,347,437.52 × 540,838.61
  4. Step 4: Simplify right side
    976,447.08x = 728,746,235,378.65
  5. Step 5: Solve for x
    x = 728,746,235,378.65/976,447.08
  6. Step 6: Final answer
    x = 746,324.35

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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.