Home / 935,816.40-1,403,724.60-927,943.20

Finding the Fourth Proportional to 935,816.40, 1,403,724.60 and 927,943.20

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Solution

The fourth proportional to 935,816.40, 1,403,724.60 and 927,943.20 is: 1,391,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,816.40 : 1,403,724.60 = 927,943.20 : x
  2. Step 2: Convert to fraction form
    935,816.40/1,403,724.60 = 927,943.20/x
  3. Step 3: Cross multiply
    935,816.40x = 1,403,724.60 × 927,943.20
  4. Step 4: Simplify right side
    935,816.40x = 1,302,576,697,242.72
  5. Step 5: Solve for x
    x = 1,302,576,697,242.72/935,816.40
  6. Step 6: Final answer
    x = 1,391,914.80

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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.