Home / 1,640,811.30-2,265,317.53-1,125,411.95

Finding the Fourth Proportional to 1,640,811.30, 2,265,317.53 and 1,125,411.95

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Solution

The fourth proportional to 1,640,811.30, 2,265,317.53 and 1,125,411.95 is: 1,553,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,811.30 : 2,265,317.53 = 1,125,411.95 : x
  2. Step 2: Convert to fraction form
    1,640,811.30/2,265,317.53 = 1,125,411.95/x
  3. Step 3: Cross multiply
    1,640,811.30x = 2,265,317.53 × 1,125,411.95
  4. Step 4: Simplify right side
    1,640,811.30x = 2,549,415,404,666.37
  5. Step 5: Solve for x
    x = 2,549,415,404,666.37/1,640,811.30
  6. Step 6: Final answer
    x = 1,553,752.95

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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.