Home / 656,751.08-983,700.98-403,262.12

Finding the Fourth Proportional to 656,751.08, 983,700.98 and 403,262.12

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Solution

The fourth proportional to 656,751.08, 983,700.98 and 403,262.12 is: 604,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,751.08 : 983,700.98 = 403,262.12 : x
  2. Step 2: Convert to fraction form
    656,751.08/983,700.98 = 403,262.12/x
  3. Step 3: Cross multiply
    656,751.08x = 983,700.98 × 403,262.12
  4. Step 4: Simplify right side
    656,751.08x = 396,689,342,640.88
  5. Step 5: Solve for x
    x = 396,689,342,640.88/656,751.08
  6. Step 6: Final answer
    x = 604,017.80

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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.