Home / 1,368,003.70-2,052,005.55-657,666.10

Finding the Fourth Proportional to 1,368,003.70, 2,052,005.55 and 657,666.10

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Solution

The fourth proportional to 1,368,003.70, 2,052,005.55 and 657,666.10 is: 986,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,003.70 : 2,052,005.55 = 657,666.10 : x
  2. Step 2: Convert to fraction form
    1,368,003.70/2,052,005.55 = 657,666.10/x
  3. Step 3: Cross multiply
    1,368,003.70x = 2,052,005.55 × 657,666.10
  4. Step 4: Simplify right side
    1,368,003.70x = 1,349,534,487,246.86
  5. Step 5: Solve for x
    x = 1,349,534,487,246.86/1,368,003.70
  6. Step 6: Final answer
    x = 986,499.15

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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.