Home / 1,011,509.86-1,517,483.49-538,126.42

Finding the Fourth Proportional to 1,011,509.86, 1,517,483.49 and 538,126.42

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Solution

The fourth proportional to 1,011,509.86, 1,517,483.49 and 538,126.42 is: 807,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,509.86 : 1,517,483.49 = 538,126.42 : x
  2. Step 2: Convert to fraction form
    1,011,509.86/1,517,483.49 = 538,126.42/x
  3. Step 3: Cross multiply
    1,011,509.86x = 1,517,483.49 × 538,126.42
  4. Step 4: Simplify right side
    1,011,509.86x = 816,597,952,071.12
  5. Step 5: Solve for x
    x = 816,597,952,071.12/1,011,509.86
  6. Step 6: Final answer
    x = 807,305.98

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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.