Home / 1,384,095.36-1,910,076.48-811,297.92

Finding the Fourth Proportional to 1,384,095.36, 1,910,076.48 and 811,297.92

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Solution

The fourth proportional to 1,384,095.36, 1,910,076.48 and 811,297.92 is: 1,119,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,095.36 : 1,910,076.48 = 811,297.92 : x
  2. Step 2: Convert to fraction form
    1,384,095.36/1,910,076.48 = 811,297.92/x
  3. Step 3: Cross multiply
    1,384,095.36x = 1,910,076.48 × 811,297.92
  4. Step 4: Simplify right side
    1,384,095.36x = 1,549,641,075,264.92
  5. Step 5: Solve for x
    x = 1,549,641,075,264.92/1,384,095.36
  6. Step 6: Final answer
    x = 1,119,605.72

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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.