Home / 982,899.51-1,355,881.09-676,443.84

Finding the Fourth Proportional to 982,899.51, 1,355,881.09 and 676,443.84

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Solution

The fourth proportional to 982,899.51, 1,355,881.09 and 676,443.84 is: 933,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,899.51 : 1,355,881.09 = 676,443.84 : x
  2. Step 2: Convert to fraction form
    982,899.51/1,355,881.09 = 676,443.84/x
  3. Step 3: Cross multiply
    982,899.51x = 1,355,881.09 × 676,443.84
  4. Step 4: Simplify right side
    982,899.51x = 917,177,411,102.99
  5. Step 5: Solve for x
    x = 917,177,411,102.99/982,899.51
  6. Step 6: Final answer
    x = 933,134.47

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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.