Home / 976,821.80-1,465,232.70-549,919.40

Finding the Fourth Proportional to 976,821.80, 1,465,232.70 and 549,919.40

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Solution

The fourth proportional to 976,821.80, 1,465,232.70 and 549,919.40 is: 824,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,821.80 : 1,465,232.70 = 549,919.40 : x
  2. Step 2: Convert to fraction form
    976,821.80/1,465,232.70 = 549,919.40/x
  3. Step 3: Cross multiply
    976,821.80x = 1,465,232.70 × 549,919.40
  4. Step 4: Simplify right side
    976,821.80x = 805,759,887,244.38
  5. Step 5: Solve for x
    x = 805,759,887,244.38/976,821.80
  6. Step 6: Final answer
    x = 824,879.10

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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.