Home / 1,077,878.20-1,616,687.70-446,726.20

Finding the Fourth Proportional to 1,077,878.20, 1,616,687.70 and 446,726.20

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Solution

The fourth proportional to 1,077,878.20, 1,616,687.70 and 446,726.20 is: 670,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,878.20 : 1,616,687.70 = 446,726.20 : x
  2. Step 2: Convert to fraction form
    1,077,878.20/1,616,687.70 = 446,726.20/x
  3. Step 3: Cross multiply
    1,077,878.20x = 1,616,687.70 × 446,726.20
  4. Step 4: Simplify right side
    1,077,878.20x = 722,216,752,807.74
  5. Step 5: Solve for x
    x = 722,216,752,807.74/1,077,878.20
  6. Step 6: Final answer
    x = 670,035.59

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1.5x scale

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.