Home / 1,333,809.84-1,840,657.32-721,962.48

Finding the Fourth Proportional to 1,333,809.84, 1,840,657.32 and 721,962.48

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Solution

The fourth proportional to 1,333,809.84, 1,840,657.32 and 721,962.48 is: 996,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,809.84 : 1,840,657.32 = 721,962.48 : x
  2. Step 2: Convert to fraction form
    1,333,809.84/1,840,657.32 = 721,962.48/x
  3. Step 3: Cross multiply
    1,333,809.84x = 1,840,657.32 × 721,962.48
  4. Step 4: Simplify right side
    1,333,809.84x = 1,328,885,523,577.35
  5. Step 5: Solve for x
    x = 1,328,885,523,577.35/1,333,809.84
  6. Step 6: Final answer
    x = 996,308.08

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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.