Home / 705,669.64-973,818.89-383,382.38

Finding the Fourth Proportional to 705,669.64, 973,818.89 and 383,382.38

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Solution

The fourth proportional to 705,669.64, 973,818.89 and 383,382.38 is: 529,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,669.64 : 973,818.89 = 383,382.38 : x
  2. Step 2: Convert to fraction form
    705,669.64/973,818.89 = 383,382.38/x
  3. Step 3: Cross multiply
    705,669.64x = 973,818.89 × 383,382.38
  4. Step 4: Simplify right side
    705,669.64x = 373,345,005,692.48
  5. Step 5: Solve for x
    x = 373,345,005,692.48/705,669.64
  6. Step 6: Final answer
    x = 529,064.86

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Half scale
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Double scale
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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.