Home / 1,036,388.47-1,553,403.46-630,685.89

Finding the Fourth Proportional to 1,036,388.47, 1,553,403.46 and 630,685.89

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Solution

The fourth proportional to 1,036,388.47, 1,553,403.46 and 630,685.89 is: 945,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,388.47 : 1,553,403.46 = 630,685.89 : x
  2. Step 2: Convert to fraction form
    1,036,388.47/1,553,403.46 = 630,685.89/x
  3. Step 3: Cross multiply
    1,036,388.47x = 1,553,403.46 × 630,685.89
  4. Step 4: Simplify right side
    1,036,388.47x = 979,709,643,699.18
  5. Step 5: Solve for x
    x = 979,709,643,699.18/1,036,388.47
  6. Step 6: Final answer
    x = 945,311.21

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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.