Home / 879,427.40-1,319,141.10-595,992.20

Finding the Fourth Proportional to 879,427.40, 1,319,141.10 and 595,992.20

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Solution

The fourth proportional to 879,427.40, 1,319,141.10 and 595,992.20 is: 893,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,427.40 : 1,319,141.10 = 595,992.20 : x
  2. Step 2: Convert to fraction form
    879,427.40/1,319,141.10 = 595,992.20/x
  3. Step 3: Cross multiply
    879,427.40x = 1,319,141.10 × 595,992.20
  4. Step 4: Simplify right side
    879,427.40x = 786,197,806,299.42
  5. Step 5: Solve for x
    x = 786,197,806,299.42/879,427.40
  6. Step 6: Final answer
    x = 893,988.30

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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.