Home / 648,566.40-972,331.20-274,281.60

Finding the Fourth Proportional to 648,566.40, 972,331.20 and 274,281.60

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Solution

The fourth proportional to 648,566.40, 972,331.20 and 274,281.60 is: 411,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,566.40 : 972,331.20 = 274,281.60 : x
  2. Step 2: Convert to fraction form
    648,566.40/972,331.20 = 274,281.60/x
  3. Step 3: Cross multiply
    648,566.40x = 972,331.20 × 274,281.60
  4. Step 4: Simplify right side
    648,566.40x = 266,692,557,265.92
  5. Step 5: Solve for x
    x = 266,692,557,265.92/648,566.40
  6. Step 6: Final answer
    x = 411,203.17

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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.