Home / 709,205.60-1,063,808.40-354,911.60

Finding the Fourth Proportional to 709,205.60, 1,063,808.40 and 354,911.60

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Solution

The fourth proportional to 709,205.60, 1,063,808.40 and 354,911.60 is: 532,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,205.60 : 1,063,808.40 = 354,911.60 : x
  2. Step 2: Convert to fraction form
    709,205.60/1,063,808.40 = 354,911.60/x
  3. Step 3: Cross multiply
    709,205.60x = 1,063,808.40 × 354,911.60
  4. Step 4: Simplify right side
    709,205.60x = 377,557,941,337.44
  5. Step 5: Solve for x
    x = 377,557,941,337.44/709,205.60
  6. Step 6: Final answer
    x = 532,367.40

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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.