Home / 1,154,018.96-1,730,853.28-405,890

Finding the Fourth Proportional to 1,154,018.96, 1,730,853.28 and 405,890

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Solution

The fourth proportional to 1,154,018.96, 1,730,853.28 and 405,890 is: 608,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,018.96 : 1,730,853.28 = 405,890 : x
  2. Step 2: Convert to fraction form
    1,154,018.96/1,730,853.28 = 405,890/x
  3. Step 3: Cross multiply
    1,154,018.96x = 1,730,853.28 × 405,890
  4. Step 4: Simplify right side
    1,154,018.96x = 702,536,037,819.20
  5. Step 5: Solve for x
    x = 702,536,037,819.20/1,154,018.96
  6. Step 6: Final answer
    x = 608,773.39

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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.