Home / 648,002.10-972,003.15-364,566.90

Finding the Fourth Proportional to 648,002.10, 972,003.15 and 364,566.90

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Solution

The fourth proportional to 648,002.10, 972,003.15 and 364,566.90 is: 546,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.10 : 972,003.15 = 364,566.90 : x
  2. Step 2: Convert to fraction form
    648,002.10/972,003.15 = 364,566.90/x
  3. Step 3: Cross multiply
    648,002.10x = 972,003.15 × 364,566.90
  4. Step 4: Simplify right side
    648,002.10x = 354,360,175,185.74
  5. Step 5: Solve for x
    x = 354,360,175,185.74/648,002.10
  6. Step 6: Final answer
    x = 546,850.35

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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.