Home / 566,918.40-849,211.20-389,625.60

Finding the Fourth Proportional to 566,918.40, 849,211.20 and 389,625.60

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Solution

The fourth proportional to 566,918.40, 849,211.20 and 389,625.60 is: 583,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,918.40 : 849,211.20 = 389,625.60 : x
  2. Step 2: Convert to fraction form
    566,918.40/849,211.20 = 389,625.60/x
  3. Step 3: Cross multiply
    566,918.40x = 849,211.20 × 389,625.60
  4. Step 4: Simplify right side
    566,918.40x = 330,874,423,326.72
  5. Step 5: Solve for x
    x = 330,874,423,326.72/566,918.40
  6. Step 6: Final answer
    x = 583,636.77

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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.