Home / 935,763.40-1,403,645.10-927,890.20

Finding the Fourth Proportional to 935,763.40, 1,403,645.10 and 927,890.20

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Solution

The fourth proportional to 935,763.40, 1,403,645.10 and 927,890.20 is: 1,391,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,763.40 : 1,403,645.10 = 927,890.20 : x
  2. Step 2: Convert to fraction form
    935,763.40/1,403,645.10 = 927,890.20/x
  3. Step 3: Cross multiply
    935,763.40x = 1,403,645.10 × 927,890.20
  4. Step 4: Simplify right side
    935,763.40x = 1,302,428,532,568.02
  5. Step 5: Solve for x
    x = 1,302,428,532,568.02/935,763.40
  6. Step 6: Final answer
    x = 1,391,835.30

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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.