Home / 1,235,837.70-1,853,756.55-437,145.30

Finding the Fourth Proportional to 1,235,837.70, 1,853,756.55 and 437,145.30

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Solution

The fourth proportional to 1,235,837.70, 1,853,756.55 and 437,145.30 is: 655,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,837.70 : 1,853,756.55 = 437,145.30 : x
  2. Step 2: Convert to fraction form
    1,235,837.70/1,853,756.55 = 437,145.30/x
  3. Step 3: Cross multiply
    1,235,837.70x = 1,853,756.55 × 437,145.30
  4. Step 4: Simplify right side
    1,235,837.70x = 810,360,963,176.72
  5. Step 5: Solve for x
    x = 810,360,963,176.72/1,235,837.70
  6. Step 6: Final answer
    x = 655,717.95

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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.