Home / 961,945.04-1,327,161.79-554,038.72

Finding the Fourth Proportional to 961,945.04, 1,327,161.79 and 554,038.72

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Solution

The fourth proportional to 961,945.04, 1,327,161.79 and 554,038.72 is: 764,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,945.04 : 1,327,161.79 = 554,038.72 : x
  2. Step 2: Convert to fraction form
    961,945.04/1,327,161.79 = 554,038.72/x
  3. Step 3: Cross multiply
    961,945.04x = 1,327,161.79 × 554,038.72
  4. Step 4: Simplify right side
    961,945.04x = 735,299,019,364.51
  5. Step 5: Solve for x
    x = 735,299,019,364.51/961,945.04
  6. Step 6: Final answer
    x = 764,387.77

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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.