Home / 935,412.40-1,403,118.60-926,555.05

Finding the Fourth Proportional to 935,412.40, 1,403,118.60 and 926,555.05

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Solution

The fourth proportional to 935,412.40, 1,403,118.60 and 926,555.05 is: 1,389,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,412.40 : 1,403,118.60 = 926,555.05 : x
  2. Step 2: Convert to fraction form
    935,412.40/1,403,118.60 = 926,555.05/x
  3. Step 3: Cross multiply
    935,412.40x = 1,403,118.60 × 926,555.05
  4. Step 4: Simplify right side
    935,412.40x = 1,300,066,624,578.93
  5. Step 5: Solve for x
    x = 1,300,066,624,578.93/935,412.40
  6. Step 6: Final answer
    x = 1,389,832.58

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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.