Home / 1,088,123.07-1,500,027.20-760,418.67

Finding the Fourth Proportional to 1,088,123.07, 1,500,027.20 and 760,418.67

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Solution

The fourth proportional to 1,088,123.07, 1,500,027.20 and 760,418.67 is: 1,048,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,123.07 : 1,500,027.20 = 760,418.67 : x
  2. Step 2: Convert to fraction form
    1,088,123.07/1,500,027.20 = 760,418.67/x
  3. Step 3: Cross multiply
    1,088,123.07x = 1,500,027.20 × 760,418.67
  4. Step 4: Simplify right side
    1,088,123.07x = 1,140,648,684,585.73
  5. Step 5: Solve for x
    x = 1,140,648,684,585.73/1,088,123.07
  6. Step 6: Final answer
    x = 1,048,271.76

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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.