Home / 1,637,647.80-2,456,817.30-515,830.20

Finding the Fourth Proportional to 1,637,647.80, 2,456,817.30 and 515,830.20

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Solution

The fourth proportional to 1,637,647.80, 2,456,817.30 and 515,830.20 is: 773,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,647.80 : 2,456,817.30 = 515,830.20 : x
  2. Step 2: Convert to fraction form
    1,637,647.80/2,456,817.30 = 515,830.20/x
  3. Step 3: Cross multiply
    1,637,647.80x = 2,456,817.30 × 515,830.20
  4. Step 4: Simplify right side
    1,637,647.80x = 1,267,300,559,222.46
  5. Step 5: Solve for x
    x = 1,267,300,559,222.46/1,637,647.80
  6. Step 6: Final answer
    x = 773,854.16

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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.