Home / 935,337.77-1,289,905.31-612,930.77

Finding the Fourth Proportional to 935,337.77, 1,289,905.31 and 612,930.77

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Solution

The fourth proportional to 935,337.77, 1,289,905.31 and 612,930.77 is: 845,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,337.77 : 1,289,905.31 = 612,930.77 : x
  2. Step 2: Convert to fraction form
    935,337.77/1,289,905.31 = 612,930.77/x
  3. Step 3: Cross multiply
    935,337.77x = 1,289,905.31 × 612,930.77
  4. Step 4: Simplify right side
    935,337.77x = 790,622,649,968.19
  5. Step 5: Solve for x
    x = 790,622,649,968.19/935,337.77
  6. Step 6: Final answer
    x = 845,280.37

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Double scale
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1.5x scale

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.