Home / 1,216,384.40-1,824,403.80-417,702.80

Finding the Fourth Proportional to 1,216,384.40, 1,824,403.80 and 417,702.80

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Solution

The fourth proportional to 1,216,384.40, 1,824,403.80 and 417,702.80 is: 626,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,384.40 : 1,824,403.80 = 417,702.80 : x
  2. Step 2: Convert to fraction form
    1,216,384.40/1,824,403.80 = 417,702.80/x
  3. Step 3: Cross multiply
    1,216,384.40x = 1,824,403.80 × 417,702.80
  4. Step 4: Simplify right side
    1,216,384.40x = 762,058,575,590.64
  5. Step 5: Solve for x
    x = 762,058,575,590.64/1,216,384.40
  6. Step 6: Final answer
    x = 626,494.86

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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.