Home / 575,867.40-863,801.09-295,205.64

Finding the Fourth Proportional to 575,867.40, 863,801.09 and 295,205.64

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Solution

The fourth proportional to 575,867.40, 863,801.09 and 295,205.64 is: 442,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,867.40 : 863,801.09 = 295,205.64 : x
  2. Step 2: Convert to fraction form
    575,867.40/863,801.09 = 295,205.64/x
  3. Step 3: Cross multiply
    575,867.40x = 863,801.09 × 295,205.64
  4. Step 4: Simplify right side
    575,867.40x = 254,998,953,606.15
  5. Step 5: Solve for x
    x = 254,998,953,606.15/575,867.40
  6. Step 6: Final answer
    x = 442,808.45

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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.