Home / 1,411,013.61-1,947,235.05-766,470.69

Finding the Fourth Proportional to 1,411,013.61, 1,947,235.05 and 766,470.69

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Solution

The fourth proportional to 1,411,013.61, 1,947,235.05 and 766,470.69 is: 1,057,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,013.61 : 1,947,235.05 = 766,470.69 : x
  2. Step 2: Convert to fraction form
    1,411,013.61/1,947,235.05 = 766,470.69/x
  3. Step 3: Cross multiply
    1,411,013.61x = 1,947,235.05 × 766,470.69
  4. Step 4: Simplify right side
    1,411,013.61x = 1,492,498,592,365.68
  5. Step 5: Solve for x
    x = 1,492,498,592,365.68/1,411,013.61
  6. Step 6: Final answer
    x = 1,057,749.25

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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.