Home / 1,285,597.92-1,774,096.88-712,633.12

Finding the Fourth Proportional to 1,285,597.92, 1,774,096.88 and 712,633.12

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Solution

The fourth proportional to 1,285,597.92, 1,774,096.88 and 712,633.12 is: 983,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,597.92 : 1,774,096.88 = 712,633.12 : x
  2. Step 2: Convert to fraction form
    1,285,597.92/1,774,096.88 = 712,633.12/x
  3. Step 3: Cross multiply
    1,285,597.92x = 1,774,096.88 × 712,633.12
  4. Step 4: Simplify right side
    1,285,597.92x = 1,264,280,194,776.67
  5. Step 5: Solve for x
    x = 1,264,280,194,776.67/1,285,597.92
  6. Step 6: Final answer
    x = 983,418.05

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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.