Home / 705,614.52-973,766.70-403,905.72

Finding the Fourth Proportional to 705,614.52, 973,766.70 and 403,905.72

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Solution

The fourth proportional to 705,614.52, 973,766.70 and 403,905.72 is: 557,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,614.52 : 973,766.70 = 403,905.72 : x
  2. Step 2: Convert to fraction form
    705,614.52/973,766.70 = 403,905.72/x
  3. Step 3: Cross multiply
    705,614.52x = 973,766.70 × 403,905.72
  4. Step 4: Simplify right side
    705,614.52x = 393,309,940,075.52
  5. Step 5: Solve for x
    x = 393,309,940,075.52/705,614.52
  6. Step 6: Final answer
    x = 557,400.58

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1.5x scale

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.