Home / 693,412.20-1,040,118.30-607,703.40

Finding the Fourth Proportional to 693,412.20, 1,040,118.30 and 607,703.40

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Solution

The fourth proportional to 693,412.20, 1,040,118.30 and 607,703.40 is: 911,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,412.20 : 1,040,118.30 = 607,703.40 : x
  2. Step 2: Convert to fraction form
    693,412.20/1,040,118.30 = 607,703.40/x
  3. Step 3: Cross multiply
    693,412.20x = 1,040,118.30 × 607,703.40
  4. Step 4: Simplify right side
    693,412.20x = 632,083,427,312.22
  5. Step 5: Solve for x
    x = 632,083,427,312.22/693,412.20
  6. Step 6: Final answer
    x = 911,555.10

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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.