Home / 993,280.05-1,370,562.96-625,700.04

Finding the Fourth Proportional to 993,280.05, 1,370,562.96 and 625,700.04

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Solution

The fourth proportional to 993,280.05, 1,370,562.96 and 625,700.04 is: 863,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,280.05 : 1,370,562.96 = 625,700.04 : x
  2. Step 2: Convert to fraction form
    993,280.05/1,370,562.96 = 625,700.04/x
  3. Step 3: Cross multiply
    993,280.05x = 1,370,562.96 × 625,700.04
  4. Step 4: Simplify right side
    993,280.05x = 857,561,298,894.52
  5. Step 5: Solve for x
    x = 857,561,298,894.52/993,280.05
  6. Step 6: Final answer
    x = 863,363.06

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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.