Home / 1,457,920.80-2,187,537.30-511,970.40

Finding the Fourth Proportional to 1,457,920.80, 2,187,537.30 and 511,970.40

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Solution

The fourth proportional to 1,457,920.80, 2,187,537.30 and 511,970.40 is: 768,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,920.80 : 2,187,537.30 = 511,970.40 : x
  2. Step 2: Convert to fraction form
    1,457,920.80/2,187,537.30 = 511,970.40/x
  3. Step 3: Cross multiply
    1,457,920.80x = 2,187,537.30 × 511,970.40
  4. Step 4: Simplify right side
    1,457,920.80x = 1,119,954,346,495.92
  5. Step 5: Solve for x
    x = 1,119,954,346,495.92/1,457,920.80
  6. Step 6: Final answer
    x = 768,186.00

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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.