Home / 1,088,145.95-1,631,770.97-472,689.32

Finding the Fourth Proportional to 1,088,145.95, 1,631,770.97 and 472,689.32

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Solution

The fourth proportional to 1,088,145.95, 1,631,770.97 and 472,689.32 is: 708,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,145.95 : 1,631,770.97 = 472,689.32 : x
  2. Step 2: Convert to fraction form
    1,088,145.95/1,631,770.97 = 472,689.32/x
  3. Step 3: Cross multiply
    1,088,145.95x = 1,631,770.97 × 472,689.32
  4. Step 4: Simplify right side
    1,088,145.95x = 771,320,699,682.74
  5. Step 5: Solve for x
    x = 771,320,699,682.74/1,088,145.95
  6. Step 6: Final answer
    x = 708,839.38

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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.