Home / 648,050.85-972,076.28-608,684.85

Finding the Fourth Proportional to 648,050.85, 972,076.28 and 608,684.85

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Solution

The fourth proportional to 648,050.85, 972,076.28 and 608,684.85 is: 913,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,050.85 : 972,076.28 = 608,684.85 : x
  2. Step 2: Convert to fraction form
    648,050.85/972,076.28 = 608,684.85/x
  3. Step 3: Cross multiply
    648,050.85x = 972,076.28 × 608,684.85
  4. Step 4: Simplify right side
    648,050.85x = 591,688,101,636.93
  5. Step 5: Solve for x
    x = 591,688,101,636.93/648,050.85
  6. Step 6: Final answer
    x = 913,027.28

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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.