Home / 693,602.10-1,040,403.15-536,138.10

Finding the Fourth Proportional to 693,602.10, 1,040,403.15 and 536,138.10

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Solution

The fourth proportional to 693,602.10, 1,040,403.15 and 536,138.10 is: 804,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,602.10 : 1,040,403.15 = 536,138.10 : x
  2. Step 2: Convert to fraction form
    693,602.10/1,040,403.15 = 536,138.10/x
  3. Step 3: Cross multiply
    693,602.10x = 1,040,403.15 × 536,138.10
  4. Step 4: Simplify right side
    693,602.10x = 557,799,768,075.02
  5. Step 5: Solve for x
    x = 557,799,768,075.02/693,602.10
  6. Step 6: Final answer
    x = 804,207.15

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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.