Home / 1,285,165.80-1,927,748.70-986,567.40

Finding the Fourth Proportional to 1,285,165.80, 1,927,748.70 and 986,567.40

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Solution

The fourth proportional to 1,285,165.80, 1,927,748.70 and 986,567.40 is: 1,479,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,165.80 : 1,927,748.70 = 986,567.40 : x
  2. Step 2: Convert to fraction form
    1,285,165.80/1,927,748.70 = 986,567.40/x
  3. Step 3: Cross multiply
    1,285,165.80x = 1,927,748.70 × 986,567.40
  4. Step 4: Simplify right side
    1,285,165.80x = 1,901,854,022,812.38
  5. Step 5: Solve for x
    x = 1,901,854,022,812.38/1,285,165.80
  6. Step 6: Final answer
    x = 1,479,851.10

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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.