Home / 982,881.97-1,356,420.76-553,189.93

Finding the Fourth Proportional to 982,881.97, 1,356,420.76 and 553,189.93

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Solution

The fourth proportional to 982,881.97, 1,356,420.76 and 553,189.93 is: 763,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,881.97 : 1,356,420.76 = 553,189.93 : x
  2. Step 2: Convert to fraction form
    982,881.97/1,356,420.76 = 553,189.93/x
  3. Step 3: Cross multiply
    982,881.97x = 1,356,420.76 × 553,189.93
  4. Step 4: Simplify right side
    982,881.97x = 750,358,308,699.19
  5. Step 5: Solve for x
    x = 750,358,308,699.19/982,881.97
  6. Step 6: Final answer
    x = 763,426.67

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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.