Home / 1,437,130.84-2,155,103.16-490,577.80

Finding the Fourth Proportional to 1,437,130.84, 2,155,103.16 and 490,577.80

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Solution

The fourth proportional to 1,437,130.84, 2,155,103.16 and 490,577.80 is: 735,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,130.84 : 2,155,103.16 = 490,577.80 : x
  2. Step 2: Convert to fraction form
    1,437,130.84/2,155,103.16 = 490,577.80/x
  3. Step 3: Cross multiply
    1,437,130.84x = 2,155,103.16 × 490,577.80
  4. Step 4: Simplify right side
    1,437,130.84x = 1,057,245,767,005.85
  5. Step 5: Solve for x
    x = 1,057,245,767,005.85/1,437,130.84
  6. Step 6: Final answer
    x = 735,664.24

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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.