Home / 1,411,377.28-1,947,690.14-766,802.76

Finding the Fourth Proportional to 1,411,377.28, 1,947,690.14 and 766,802.76

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Solution

The fourth proportional to 1,411,377.28, 1,947,690.14 and 766,802.76 is: 1,058,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,377.28 : 1,947,690.14 = 766,802.76 : x
  2. Step 2: Convert to fraction form
    1,411,377.28/1,947,690.14 = 766,802.76/x
  3. Step 3: Cross multiply
    1,411,377.28x = 1,947,690.14 × 766,802.76
  4. Step 4: Simplify right side
    1,411,377.28x = 1,493,494,174,976.79
  5. Step 5: Solve for x
    x = 1,493,494,174,976.79/1,411,377.28
  6. Step 6: Final answer
    x = 1,058,182.10

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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.