Home / 935,409.48-1,290,833.65-591,430.56

Finding the Fourth Proportional to 935,409.48, 1,290,833.65 and 591,430.56

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Solution

The fourth proportional to 935,409.48, 1,290,833.65 and 591,430.56 is: 816,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,409.48 : 1,290,833.65 = 591,430.56 : x
  2. Step 2: Convert to fraction form
    935,409.48/1,290,833.65 = 591,430.56/x
  3. Step 3: Cross multiply
    935,409.48x = 1,290,833.65 × 591,430.56
  4. Step 4: Simplify right side
    935,409.48x = 763,438,468,486.34
  5. Step 5: Solve for x
    x = 763,438,468,486.34/935,409.48
  6. Step 6: Final answer
    x = 816,154.30

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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.