Home / 705,307.11-973,621.77-476,174.76

Finding the Fourth Proportional to 705,307.11, 973,621.77 and 476,174.76

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Solution

The fourth proportional to 705,307.11, 973,621.77 and 476,174.76 is: 657,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,307.11 : 973,621.77 = 476,174.76 : x
  2. Step 2: Convert to fraction form
    705,307.11/973,621.77 = 476,174.76/x
  3. Step 3: Cross multiply
    705,307.11x = 973,621.77 × 476,174.76
  4. Step 4: Simplify right side
    705,307.11x = 463,614,112,660.53
  5. Step 5: Solve for x
    x = 463,614,112,660.53/705,307.11
  6. Step 6: Final answer
    x = 657,322.33

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Half scale
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Double scale
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Similar ratio
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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.