Home / 935,234.39-1,290,622.74-505,514.52

Finding the Fourth Proportional to 935,234.39, 1,290,622.74 and 505,514.52

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Solution

The fourth proportional to 935,234.39, 1,290,622.74 and 505,514.52 is: 697,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,234.39 : 1,290,622.74 = 505,514.52 : x
  2. Step 2: Convert to fraction form
    935,234.39/1,290,622.74 = 505,514.52/x
  3. Step 3: Cross multiply
    935,234.39x = 1,290,622.74 × 505,514.52
  4. Step 4: Simplify right side
    935,234.39x = 652,428,535,459.16
  5. Step 5: Solve for x
    x = 652,428,535,459.16/935,234.39
  6. Step 6: Final answer
    x = 697,609.65

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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.