Home / 1,068,118.32-1,603,284.63-715,595.79

Finding the Fourth Proportional to 1,068,118.32, 1,603,284.63 and 715,595.79

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Solution

The fourth proportional to 1,068,118.32, 1,603,284.63 and 715,595.79 is: 1,074,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,118.32 : 1,603,284.63 = 715,595.79 : x
  2. Step 2: Convert to fraction form
    1,068,118.32/1,603,284.63 = 715,595.79/x
  3. Step 3: Cross multiply
    1,068,118.32x = 1,603,284.63 × 715,595.79
  4. Step 4: Simplify right side
    1,068,118.32x = 1,147,303,731,399.71
  5. Step 5: Solve for x
    x = 1,147,303,731,399.71/1,068,118.32
  6. Step 6: Final answer
    x = 1,074,135.43

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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.