Home / 621,029.60-931,544.40-516,053.60

Finding the Fourth Proportional to 621,029.60, 931,544.40 and 516,053.60

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Solution

The fourth proportional to 621,029.60, 931,544.40 and 516,053.60 is: 774,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,029.60 : 931,544.40 = 516,053.60 : x
  2. Step 2: Convert to fraction form
    621,029.60/931,544.40 = 516,053.60/x
  3. Step 3: Cross multiply
    621,029.60x = 931,544.40 × 516,053.60
  4. Step 4: Simplify right side
    621,029.60x = 480,726,841,179.84
  5. Step 5: Solve for x
    x = 480,726,841,179.84/621,029.60
  6. Step 6: Final answer
    x = 774,080.40

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