Home / 1,007,808.94-1,390,776.24-555,099.94

Finding the Fourth Proportional to 1,007,808.94, 1,390,776.24 and 555,099.94

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Solution

The fourth proportional to 1,007,808.94, 1,390,776.24 and 555,099.94 is: 766,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,808.94 : 1,390,776.24 = 555,099.94 : x
  2. Step 2: Convert to fraction form
    1,007,808.94/1,390,776.24 = 555,099.94/x
  3. Step 3: Cross multiply
    1,007,808.94x = 1,390,776.24 × 555,099.94
  4. Step 4: Simplify right side
    1,007,808.94x = 772,019,807,377.43
  5. Step 5: Solve for x
    x = 772,019,807,377.43/1,007,808.94
  6. Step 6: Final answer
    x = 766,037.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.