Home / 692,650.30-1,036,612.27-580,457.20

Finding the Fourth Proportional to 692,650.30, 1,036,612.27 and 580,457.20

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Solution

The fourth proportional to 692,650.30, 1,036,612.27 and 580,457.20 is: 868,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,650.30 : 1,036,612.27 = 580,457.20 : x
  2. Step 2: Convert to fraction form
    692,650.30/1,036,612.27 = 580,457.20/x
  3. Step 3: Cross multiply
    692,650.30x = 1,036,612.27 × 580,457.20
  4. Step 4: Simplify right side
    692,650.30x = 601,709,055,729.84
  5. Step 5: Solve for x
    x = 601,709,055,729.84/692,650.30
  6. Step 6: Final answer
    x = 868,705.40

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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.