Home / 935,067.12-1,290,088.80-572,112.60

Finding the Fourth Proportional to 935,067.12, 1,290,088.80 and 572,112.60

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Solution

The fourth proportional to 935,067.12, 1,290,088.80 and 572,112.60 is: 789,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,067.12 : 1,290,088.80 = 572,112.60 : x
  2. Step 2: Convert to fraction form
    935,067.12/1,290,088.80 = 572,112.60/x
  3. Step 3: Cross multiply
    935,067.12x = 1,290,088.80 × 572,112.60
  4. Step 4: Simplify right side
    935,067.12x = 738,076,057,598.88
  5. Step 5: Solve for x
    x = 738,076,057,598.88/935,067.12
  6. Step 6: Final answer
    x = 789,329.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.