Home / 1,316,408.40-1,974,401.40-474,526.80

Finding the Fourth Proportional to 1,316,408.40, 1,974,401.40 and 474,526.80

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Solution

The fourth proportional to 1,316,408.40, 1,974,401.40 and 474,526.80 is: 711,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,408.40 : 1,974,401.40 = 474,526.80 : x
  2. Step 2: Convert to fraction form
    1,316,408.40/1,974,401.40 = 474,526.80/x
  3. Step 3: Cross multiply
    1,316,408.40x = 1,974,401.40 × 474,526.80
  4. Step 4: Simplify right side
    1,316,408.40x = 936,906,378,257.52
  5. Step 5: Solve for x
    x = 936,906,378,257.52/1,316,408.40
  6. Step 6: Final answer
    x = 711,714.07

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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.