Home / 945,561.60-1,418,342.40-384,998.40

Finding the Fourth Proportional to 945,561.60, 1,418,342.40 and 384,998.40

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Solution

The fourth proportional to 945,561.60, 1,418,342.40 and 384,998.40 is: 577,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,561.60 : 1,418,342.40 = 384,998.40 : x
  2. Step 2: Convert to fraction form
    945,561.60/1,418,342.40 = 384,998.40/x
  3. Step 3: Cross multiply
    945,561.60x = 1,418,342.40 × 384,998.40
  4. Step 4: Simplify right side
    945,561.60x = 546,059,554,652.16
  5. Step 5: Solve for x
    x = 546,059,554,652.16/945,561.60
  6. Step 6: Final answer
    x = 577,497.60

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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.