Home / 877,202.22-1,314,743.05-427,248.84

Finding the Fourth Proportional to 877,202.22, 1,314,743.05 and 427,248.84

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Solution

The fourth proportional to 877,202.22, 1,314,743.05 and 427,248.84 is: 640,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,202.22 : 1,314,743.05 = 427,248.84 : x
  2. Step 2: Convert to fraction form
    877,202.22/1,314,743.05 = 427,248.84/x
  3. Step 3: Cross multiply
    877,202.22x = 1,314,743.05 × 427,248.84
  4. Step 4: Simplify right side
    877,202.22x = 561,722,446,071.64
  5. Step 5: Solve for x
    x = 561,722,446,071.64/877,202.22
  6. Step 6: Final answer
    x = 640,356.84

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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.