Home / 1,154,690.42-1,593,408.17-638,414.24

Finding the Fourth Proportional to 1,154,690.42, 1,593,408.17 and 638,414.24

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Solution

The fourth proportional to 1,154,690.42, 1,593,408.17 and 638,414.24 is: 880,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,690.42 : 1,593,408.17 = 638,414.24 : x
  2. Step 2: Convert to fraction form
    1,154,690.42/1,593,408.17 = 638,414.24/x
  3. Step 3: Cross multiply
    1,154,690.42x = 1,593,408.17 × 638,414.24
  4. Step 4: Simplify right side
    1,154,690.42x = 1,017,254,459,489.34
  5. Step 5: Solve for x
    x = 1,017,254,459,489.34/1,154,690.42
  6. Step 6: Final answer
    x = 880,975.93

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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.