Home / 879,340.40-1,319,010.60-595,905.20

Finding the Fourth Proportional to 879,340.40, 1,319,010.60 and 595,905.20

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Solution

The fourth proportional to 879,340.40, 1,319,010.60 and 595,905.20 is: 893,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,340.40 : 1,319,010.60 = 595,905.20 : x
  2. Step 2: Convert to fraction form
    879,340.40/1,319,010.60 = 595,905.20/x
  3. Step 3: Cross multiply
    879,340.40x = 1,319,010.60 × 595,905.20
  4. Step 4: Simplify right side
    879,340.40x = 786,005,275,395.12
  5. Step 5: Solve for x
    x = 786,005,275,395.12/879,340.40
  6. Step 6: Final answer
    x = 893,857.80

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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.