Home / 930,169.60-1,395,254.40-457,777.60

Finding the Fourth Proportional to 930,169.60, 1,395,254.40 and 457,777.60

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Solution

The fourth proportional to 930,169.60, 1,395,254.40 and 457,777.60 is: 686,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,169.60 : 1,395,254.40 = 457,777.60 : x
  2. Step 2: Convert to fraction form
    930,169.60/1,395,254.40 = 457,777.60/x
  3. Step 3: Cross multiply
    930,169.60x = 1,395,254.40 × 457,777.60
  4. Step 4: Simplify right side
    930,169.60x = 638,716,210,621.44
  5. Step 5: Solve for x
    x = 638,716,210,621.44/930,169.60
  6. Step 6: Final answer
    x = 686,666.40

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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.