Home / 705,507.81-973,618.91-383,236.35

Finding the Fourth Proportional to 705,507.81, 973,618.91 and 383,236.35

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Solution

The fourth proportional to 705,507.81, 973,618.91 and 383,236.35 is: 528,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,507.81 : 973,618.91 = 383,236.35 : x
  2. Step 2: Convert to fraction form
    705,507.81/973,618.91 = 383,236.35/x
  3. Step 3: Cross multiply
    705,507.81x = 973,618.91 × 383,236.35
  4. Step 4: Simplify right side
    705,507.81x = 373,126,157,359.38
  5. Step 5: Solve for x
    x = 373,126,157,359.38/705,507.81
  6. Step 6: Final answer
    x = 528,876.01

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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.