Home / 1,227,580.64-1,693,994.64-676,189.16

Finding the Fourth Proportional to 1,227,580.64, 1,693,994.64 and 676,189.16

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Solution

The fourth proportional to 1,227,580.64, 1,693,994.64 and 676,189.16 is: 933,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,580.64 : 1,693,994.64 = 676,189.16 : x
  2. Step 2: Convert to fraction form
    1,227,580.64/1,693,994.64 = 676,189.16/x
  3. Step 3: Cross multiply
    1,227,580.64x = 1,693,994.64 × 676,189.16
  4. Step 4: Simplify right side
    1,227,580.64x = 1,145,460,812,666.10
  5. Step 5: Solve for x
    x = 1,145,460,812,666.10/1,227,580.64
  6. Step 6: Final answer
    x = 933,104.33

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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.