Home / 1,119,945.40-1,681,667.70-647,553.40

Finding the Fourth Proportional to 1,119,945.40, 1,681,667.70 and 647,553.40

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Solution

The fourth proportional to 1,119,945.40, 1,681,667.70 and 647,553.40 is: 972,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,945.40 : 1,681,667.70 = 647,553.40 : x
  2. Step 2: Convert to fraction form
    1,119,945.40/1,681,667.70 = 647,553.40/x
  3. Step 3: Cross multiply
    1,119,945.40x = 1,681,667.70 × 647,553.40
  4. Step 4: Simplify right side
    1,119,945.40x = 1,088,969,636,805.18
  5. Step 5: Solve for x
    x = 1,088,969,636,805.18/1,119,945.40
  6. Step 6: Final answer
    x = 972,341.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.