Home / 897,729.60-1,346,594.40-399,093.60

Finding the Fourth Proportional to 897,729.60, 1,346,594.40 and 399,093.60

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Solution

The fourth proportional to 897,729.60, 1,346,594.40 and 399,093.60 is: 598,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,729.60 : 1,346,594.40 = 399,093.60 : x
  2. Step 2: Convert to fraction form
    897,729.60/1,346,594.40 = 399,093.60/x
  3. Step 3: Cross multiply
    897,729.60x = 1,346,594.40 × 399,093.60
  4. Step 4: Simplify right side
    897,729.60x = 537,417,206,835.84
  5. Step 5: Solve for x
    x = 537,417,206,835.84/897,729.60
  6. Step 6: Final answer
    x = 598,640.40

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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.