Home / 711,503.92-1,066,752.60-356,263.12

Finding the Fourth Proportional to 711,503.92, 1,066,752.60 and 356,263.12

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Solution

The fourth proportional to 711,503.92, 1,066,752.60 and 356,263.12 is: 534,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,503.92 : 1,066,752.60 = 356,263.12 : x
  2. Step 2: Convert to fraction form
    711,503.92/1,066,752.60 = 356,263.12/x
  3. Step 3: Cross multiply
    711,503.92x = 1,066,752.60 × 356,263.12
  4. Step 4: Simplify right side
    711,503.92x = 380,044,609,544.11
  5. Step 5: Solve for x
    x = 380,044,609,544.11/711,503.92
  6. Step 6: Final answer
    x = 534,142.68

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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.