Home / 4,507,129.40-6,760,694.10-1,312,359.80

Finding the Fourth Proportional to 4,507,129.40, 6,760,694.10 and 1,312,359.80

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Solution

The fourth proportional to 4,507,129.40, 6,760,694.10 and 1,312,359.80 is: 1,968,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507,129.40 : 6,760,694.10 = 1,312,359.80 : x
  2. Step 2: Convert to fraction form
    4,507,129.40/6,760,694.10 = 1,312,359.80/x
  3. Step 3: Cross multiply
    4,507,129.40x = 6,760,694.10 × 1,312,359.80
  4. Step 4: Simplify right side
    4,507,129.40x = 8,872,463,156,937.18
  5. Step 5: Solve for x
    x = 8,872,463,156,937.18/4,507,129.40
  6. Step 6: Final answer
    x = 1,968,539.70

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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.