Home / 1,262,211.75-1,893,317.72-315,582.47

Finding the Fourth Proportional to 1,262,211.75, 1,893,317.72 and 315,582.47

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Solution

The fourth proportional to 1,262,211.75, 1,893,317.72 and 315,582.47 is: 473,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,211.75 : 1,893,317.72 = 315,582.47 : x
  2. Step 2: Convert to fraction form
    1,262,211.75/1,893,317.72 = 315,582.47/x
  3. Step 3: Cross multiply
    1,262,211.75x = 1,893,317.72 × 315,582.47
  4. Step 4: Simplify right side
    1,262,211.75x = 597,497,871,527.87
  5. Step 5: Solve for x
    x = 597,497,871,527.87/1,262,211.75
  6. Step 6: Final answer
    x = 473,373.72

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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.