Home / 805,897.70-1,207,464.15-384,265.70

Finding the Fourth Proportional to 805,897.70, 1,207,464.15 and 384,265.70

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Solution

The fourth proportional to 805,897.70, 1,207,464.15 and 384,265.70 is: 575,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,897.70 : 1,207,464.15 = 384,265.70 : x
  2. Step 2: Convert to fraction form
    805,897.70/1,207,464.15 = 384,265.70/x
  3. Step 3: Cross multiply
    805,897.70x = 1,207,464.15 × 384,265.70
  4. Step 4: Simplify right side
    805,897.70x = 463,987,056,824.66
  5. Step 5: Solve for x
    x = 463,987,056,824.66/805,897.70
  6. Step 6: Final answer
    x = 575,739.40

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Double scale
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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.