Home / 3,316,937.95-4,975,434.62-920,969.43

Finding the Fourth Proportional to 3,316,937.95, 4,975,434.62 and 920,969.43

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Solution

The fourth proportional to 3,316,937.95, 4,975,434.62 and 920,969.43 is: 1,381,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,937.95 : 4,975,434.62 = 920,969.43 : x
  2. Step 2: Convert to fraction form
    3,316,937.95/4,975,434.62 = 920,969.43/x
  3. Step 3: Cross multiply
    3,316,937.95x = 4,975,434.62 × 920,969.43
  4. Step 4: Simplify right side
    3,316,937.95x = 4,582,223,166,174.58
  5. Step 5: Solve for x
    x = 4,582,223,166,174.58/3,316,937.95
  6. Step 6: Final answer
    x = 1,381,461.83

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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.