Home / 1,715,432.32-2,367,404-990,412.96

Finding the Fourth Proportional to 1,715,432.32, 2,367,404 and 990,412.96

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Solution

The fourth proportional to 1,715,432.32, 2,367,404 and 990,412.96 is: 1,366,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,432.32 : 2,367,404 = 990,412.96 : x
  2. Step 2: Convert to fraction form
    1,715,432.32/2,367,404 = 990,412.96/x
  3. Step 3: Cross multiply
    1,715,432.32x = 2,367,404 × 990,412.96
  4. Step 4: Simplify right side
    1,715,432.32x = 2,344,707,603,155.84
  5. Step 5: Solve for x
    x = 2,344,707,603,155.84/1,715,432.32
  6. Step 6: Final answer
    x = 1,366,831.89

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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.