Home / 556,748.30-835,122.45-415,030.70

Finding the Fourth Proportional to 556,748.30, 835,122.45 and 415,030.70

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Solution

The fourth proportional to 556,748.30, 835,122.45 and 415,030.70 is: 622,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,748.30 : 835,122.45 = 415,030.70 : x
  2. Step 2: Convert to fraction form
    556,748.30/835,122.45 = 415,030.70/x
  3. Step 3: Cross multiply
    556,748.30x = 835,122.45 × 415,030.70
  4. Step 4: Simplify right side
    556,748.30x = 346,601,455,009.22
  5. Step 5: Solve for x
    x = 346,601,455,009.22/556,748.30
  6. Step 6: Final answer
    x = 622,546.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.