Home / 1,036,320.50-1,553,812.77-437,121.38

Finding the Fourth Proportional to 1,036,320.50, 1,553,812.77 and 437,121.38

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Solution

The fourth proportional to 1,036,320.50, 1,553,812.77 and 437,121.38 is: 655,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,320.50 : 1,553,812.77 = 437,121.38 : x
  2. Step 2: Convert to fraction form
    1,036,320.50/1,553,812.77 = 437,121.38/x
  3. Step 3: Cross multiply
    1,036,320.50x = 1,553,812.77 × 437,121.38
  4. Step 4: Simplify right side
    1,036,320.50x = 679,204,782,284.02
  5. Step 5: Solve for x
    x = 679,204,782,284.02/1,036,320.50
  6. Step 6: Final answer
    x = 655,400.32

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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.