Home / 935,784.10-1,403,676.15-515,880.10

Finding the Fourth Proportional to 935,784.10, 1,403,676.15 and 515,880.10

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Solution

The fourth proportional to 935,784.10, 1,403,676.15 and 515,880.10 is: 773,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,784.10 : 1,403,676.15 = 515,880.10 : x
  2. Step 2: Convert to fraction form
    935,784.10/1,403,676.15 = 515,880.10/x
  3. Step 3: Cross multiply
    935,784.10x = 1,403,676.15 × 515,880.10
  4. Step 4: Simplify right side
    935,784.10x = 724,128,592,629.62
  5. Step 5: Solve for x
    x = 724,128,592,629.62/935,784.10
  6. Step 6: Final answer
    x = 773,820.15

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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.