Home / 705,306.11-973,620.39-476,173.76

Finding the Fourth Proportional to 705,306.11, 973,620.39 and 476,173.76

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Solution

The fourth proportional to 705,306.11, 973,620.39 and 476,173.76 is: 657,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,306.11 : 973,620.39 = 476,173.76 : x
  2. Step 2: Convert to fraction form
    705,306.11/973,620.39 = 476,173.76/x
  3. Step 3: Cross multiply
    705,306.11x = 973,620.39 × 476,173.76
  4. Step 4: Simplify right side
    705,306.11x = 463,612,486,381.82
  5. Step 5: Solve for x
    x = 463,612,486,381.82/705,306.11
  6. Step 6: Final answer
    x = 657,320.95

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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.