Home / 1,011,910.32-1,396,465.11-553,050.38

Finding the Fourth Proportional to 1,011,910.32, 1,396,465.11 and 553,050.38

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Solution

The fourth proportional to 1,011,910.32, 1,396,465.11 and 553,050.38 is: 763,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,910.32 : 1,396,465.11 = 553,050.38 : x
  2. Step 2: Convert to fraction form
    1,011,910.32/1,396,465.11 = 553,050.38/x
  3. Step 3: Cross multiply
    1,011,910.32x = 1,396,465.11 × 553,050.38
  4. Step 4: Simplify right side
    1,011,910.32x = 772,315,563,233.41
  5. Step 5: Solve for x
    x = 772,315,563,233.41/1,011,910.32
  6. Step 6: Final answer
    x = 763,225.31

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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.