Home / 976,822.80-1,465,234.20-549,920.40

Finding the Fourth Proportional to 976,822.80, 1,465,234.20 and 549,920.40

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Solution

The fourth proportional to 976,822.80, 1,465,234.20 and 549,920.40 is: 824,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,822.80 : 1,465,234.20 = 549,920.40 : x
  2. Step 2: Convert to fraction form
    976,822.80/1,465,234.20 = 549,920.40/x
  3. Step 3: Cross multiply
    976,822.80x = 1,465,234.20 × 549,920.40
  4. Step 4: Simplify right side
    976,822.80x = 805,762,177,357.68
  5. Step 5: Solve for x
    x = 805,762,177,357.68/976,822.80
  6. Step 6: Final answer
    x = 824,880.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.