Home / 630,506.96-943,541.40-393,961.04

Finding the Fourth Proportional to 630,506.96, 943,541.40 and 393,961.04

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Solution

The fourth proportional to 630,506.96, 943,541.40 and 393,961.04 is: 589,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,506.96 : 943,541.40 = 393,961.04 : x
  2. Step 2: Convert to fraction form
    630,506.96/943,541.40 = 393,961.04/x
  3. Step 3: Cross multiply
    630,506.96x = 943,541.40 × 393,961.04
  4. Step 4: Simplify right side
    630,506.96x = 371,718,551,227.06
  5. Step 5: Solve for x
    x = 371,718,551,227.06/630,506.96
  6. Step 6: Final answer
    x = 589,555.03

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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.