Home / 1,113,816.54-1,536,700.95-630,333.66

Finding the Fourth Proportional to 1,113,816.54, 1,536,700.95 and 630,333.66

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Solution

The fourth proportional to 1,113,816.54, 1,536,700.95 and 630,333.66 is: 869,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,816.54 : 1,536,700.95 = 630,333.66 : x
  2. Step 2: Convert to fraction form
    1,113,816.54/1,536,700.95 = 630,333.66/x
  3. Step 3: Cross multiply
    1,113,816.54x = 1,536,700.95 × 630,333.66
  4. Step 4: Simplify right side
    1,113,816.54x = 968,634,334,138.98
  5. Step 5: Solve for x
    x = 968,634,334,138.98/1,113,816.54
  6. Step 6: Final answer
    x = 869,653.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.